CVE-2020-1670
Summary
| CVE | CVE-2020-1670 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2020-10-16 21:15:00 UTC |
| Updated | 2022-01-01 17:35:00 UTC |
| Description | On Juniper Networks EX4300 Series, receipt of a stream of specific IPv4 packets can cause Routing Engine (RE) high CPU load, which could lead to network protocol operation issue and traffic interruption. This specific packets can originate only from within the broadcast domain where the device is connected. This issue occurs when the packets enter to the IRB interface. Only IPv4 packets can trigger this issue. IPv6 packets cannot trigger this issue. This issue affects Juniper Networks Junos OS on EX4300 series: 17.3 versions prior to 17.3R3-S9; 17.4 versions prior to 17.4R2-S11, 17.4R3-S2; 18.1 versions prior to 18.1R3-S10; 18.2 versions prior to 18.2R3-S4; 18.3 versions prior to 18.3R2-S4, 18.3R3-S2; 18.4 versions prior to 18.4R2-S4, 18.4R3-S2; 19.1 versions prior to 19.1R2-S2, 19.1R3-S1; 19.2 versions prior to 19.2R1-S5, 19.2R2-S1, 19.2R3; 19.3 versions prior to 19.3R2-S4, 19.3R3; 19.4 versions prior to 19.4R1-S3, 19.4R2; 20.1 versions prior to 20.1R1-S3, 20.1R2. |
Risk And Classification
Problem Types: NVD-CWE-noinfo
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Hardware | Juniper | Ex4300 | - | All | All | All |
| Hardware | Juniper | Ex4300 | - | All | All | All |
| Operating System | Juniper | Junos | 17.3 | - | All | All |
| Operating System | Juniper | Junos | 17.3 | r1-s1 | All | All |
| Operating System | Juniper | Junos | 17.3 | r2 | All | All |
| Operating System | Juniper | Junos | 17.3 | r2-s1 | All | All |
| Operating System | Juniper | Junos | 17.3 | r2-s2 | All | All |
| Operating System | Juniper | Junos | 17.3 | r2-s3 | All | All |
| Operating System | Juniper | Junos | 17.3 | r2-s4 | All | All |
| Operating System | Juniper | Junos | 17.3 | r2-s5 | All | All |
| Operating System | Juniper | Junos | 17.3 | r3 | - | All |
| Operating System | Juniper | Junos | 17.3 | r3-s1 | All | All |
| Operating System | Juniper | Junos | 17.3 | r3-s2 | All | All |
| Operating System | Juniper | Junos | 17.3 | r3-s3 | All | All |
| Operating System | Juniper | Junos | 17.3 | r3-s4 | All | All |
| Operating System | Juniper | Junos | 17.3 | r3-s7 | All | All |
| Operating System | Juniper | Junos | 17.3 | r3-s8 | All | All |
| Operating System | Juniper | Junos | 17.4 | - | All | All |
| Operating System | Juniper | Junos | 17.4 | r1 | All | All |
| Operating System | Juniper | Junos | 17.4 | r1-s1 | All | All |
| Operating System | Juniper | Junos | 17.4 | r1-s2 | All | All |
| Operating System | Juniper | Junos | 17.4 | r1-s4 | All | All |
| Operating System | Juniper | Junos | 17.4 | r1-s5 | All | All |
| Operating System | Juniper | Junos | 17.4 | r1-s6 | All | All |
| Operating System | Juniper | Junos | 17.4 | r1-s7 | All | All |
| Operating System | Juniper | Junos | 17.4 | r2 | All | All |
| Operating System | Juniper | Junos | 17.4 | r2-s1 | All | All |
| Operating System | Juniper | Junos | 17.4 | r2-s10 | All | All |
| Operating System | Juniper | Junos | 17.4 | r2-s2 | All | All |
| Operating System | Juniper | Junos | 17.4 | r2-s3 | All | All |
| Operating System | Juniper | Junos | 17.4 | r2-s4 | All | All |
| Operating System | Juniper | Junos | 17.4 | r2-s5 | All | All |
| Operating System | Juniper | Junos | 17.4 | r2-s6 | All | All |
| Operating System | Juniper | Junos | 17.4 | r2-s7 | All | All |
| Operating System | Juniper | Junos | 17.4 | r2-s8 | All | All |
| Operating System | Juniper | Junos | 17.4 | r2-s9 | All | All |
| Operating System | Juniper | Junos | 18.1 | - | All | All |
| Operating System | Juniper | Junos | 18.1 | r1 | All | All |
| Operating System | Juniper | Junos | 18.1 | r2 | All | All |
| Operating System | Juniper | Junos | 18.1 | r2-s1 | All | All |
| Operating System | Juniper | Junos | 18.1 | r2-s2 | All | All |
| Operating System | Juniper | Junos | 18.1 | r2-s4 | All | All |
| Operating System | Juniper | Junos | 18.1 | r3 | All | All |
| Operating System | Juniper | Junos | 18.1 | r3-s1 | All | All |
| Operating System | Juniper | Junos | 18.1 | r3-s2 | All | All |
| Operating System | Juniper | Junos | 18.1 | r3-s3 | All | All |
| Operating System | Juniper | Junos | 18.1 | r3-s4 | All | All |
| Operating System | Juniper | Junos | 18.1 | r3-s6 | All | All |
| Operating System | Juniper | Junos | 18.1 | r3-s7 | All | All |
| Operating System | Juniper | Junos | 18.1 | r3-s8 | All | All |
| Operating System | Juniper | Junos | 18.1 | r3-s9 | All | All |
| Operating System | Juniper | Junos | 18.2 | - | All | All |
| Operating System | Juniper | Junos | 18.2 | r1 | All | All |
| Operating System | Juniper | Junos | 18.2 | r1 | - | All |
| Operating System | Juniper | Junos | 18.2 | r1-s3 | All | All |
| Operating System | Juniper | Junos | 18.2 | r1-s4 | All | All |
| Operating System | Juniper | Junos | 18.2 | r1-s5 | All | All |
| Operating System | Juniper | Junos | 18.2 | r2 | All | All |
| Operating System | Juniper | Junos | 18.2 | r2-s1 | All | All |
| Operating System | Juniper | Junos | 18.2 | r2-s2 | All | All |
| Operating System | Juniper | Junos | 18.2 | r2-s3 | All | All |
| Operating System | Juniper | Junos | 18.2 | r2-s4 | All | All |
| Operating System | Juniper | Junos | 18.2 | r2-s5 | All | All |
| Operating System | Juniper | Junos | 18.2 | r2-s6 | All | All |
| Operating System | Juniper | Junos | 18.2 | r3 | All | All |
| Operating System | Juniper | Junos | 18.2 | r3-s1 | All | All |
| Operating System | Juniper | Junos | 18.2 | r3-s2 | All | All |
| Operating System | Juniper | Junos | 18.2 | r3-s3 | All | All |
| Operating System | Juniper | Junos | 18.3 | - | All | All |
| Operating System | Juniper | Junos | 18.3 | r1 | All | All |
| Operating System | Juniper | Junos | 18.3 | r1-s1 | All | All |
| Operating System | Juniper | Junos | 18.3 | r1-s2 | All | All |
| Operating System | Juniper | Junos | 18.3 | r1-s3 | All | All |
| Operating System | Juniper | Junos | 18.3 | r1-s5 | All | All |
| Operating System | Juniper | Junos | 18.3 | r1-s6 | All | All |
| Operating System | Juniper | Junos | 18.3 | r2 | All | All |
| Operating System | Juniper | Junos | 18.3 | r2-s1 | All | All |
| Operating System | Juniper | Junos | 18.3 | r2-s2 | All | All |
| Operating System | Juniper | Junos | 18.3 | r2-s3 | All | All |
| Operating System | Juniper | Junos | 18.3 | r3 | All | All |
| Operating System | Juniper | Junos | 18.3 | r3-s1 | All | All |
| Operating System | Juniper | Junos | 18.4 | - | All | All |
| Operating System | Juniper | Junos | 18.4 | r1 | All | All |
| Operating System | Juniper | Junos | 18.4 | r1-s1 | All | All |
| Operating System | Juniper | Junos | 18.4 | r1-s2 | All | All |
| Operating System | Juniper | Junos | 18.4 | r1-s5 | All | All |
| Operating System | Juniper | Junos | 18.4 | r1-s6 | All | All |
| Operating System | Juniper | Junos | 18.4 | r2 | All | All |
| Operating System | Juniper | Junos | 18.4 | r2-s1 | All | All |
| Operating System | Juniper | Junos | 18.4 | r2-s2 | All | All |
| Operating System | Juniper | Junos | 18.4 | r2-s3 | All | All |
| Operating System | Juniper | Junos | 18.4 | r3 | All | All |
| Operating System | Juniper | Junos | 18.4 | r3-s1 | All | All |
| Operating System | Juniper | Junos | 19.1 | - | All | All |
| Operating System | Juniper | Junos | 19.1 | r1 | All | All |
| Operating System | Juniper | Junos | 19.1 | r1-s1 | All | All |
| Operating System | Juniper | Junos | 19.1 | r1-s2 | All | All |
| Operating System | Juniper | Junos | 19.1 | r1-s3 | All | All |
| Operating System | Juniper | Junos | 19.1 | r1-s4 | All | All |
| Operating System | Juniper | Junos | 19.1 | r2 | All | All |
| Operating System | Juniper | Junos | 19.1 | r2-s1 | All | All |
| Operating System | Juniper | Junos | 19.1 | r3 | All | All |
| Operating System | Juniper | Junos | 19.2 | - | All | All |
| Operating System | Juniper | Junos | 19.2 | r1 | All | All |
| Operating System | Juniper | Junos | 19.2 | r1-s1 | All | All |
| Operating System | Juniper | Junos | 19.2 | r1-s2 | All | All |
| Operating System | Juniper | Junos | 19.2 | r1-s3 | All | All |
| Operating System | Juniper | Junos | 19.2 | r1-s4 | All | All |
| Operating System | Juniper | Junos | 19.2 | r2 | All | All |
| Operating System | Juniper | Junos | 19.3 | - | All | All |
| Operating System | Juniper | Junos | 19.3 | r1 | All | All |
| Operating System | Juniper | Junos | 19.3 | r1-s1 | All | All |
| Operating System | Juniper | Junos | 19.3 | r2 | All | All |
| Operating System | Juniper | Junos | 19.3 | r2-s1 | All | All |
| Operating System | Juniper | Junos | 19.3 | r2-s2 | All | All |
| Operating System | Juniper | Junos | 19.3 | r2-s3 | All | All |
| Operating System | Juniper | Junos | 19.4 | r1 | All | All |
| Operating System | Juniper | Junos | 19.4 | r1-s1 | All | All |
| Operating System | Juniper | Junos | 19.4 | r1-s2 | All | All |
| Operating System | Juniper | Junos | 20.1 | r1 | All | All |
| Operating System | Juniper | Junos | 20.1 | r1-s1 | All | All |
| Operating System | Juniper | Junos | 20.1 | r1-s2 | All | All |
| Operating System | Juniper | Junos | 17.3 | - | All | All |
| Operating System | Juniper | Junos | 17.3 | r1-s1 | All | All |
| Operating System | Juniper | Junos | 17.3 | r2 | All | All |
| Operating System | Juniper | Junos | 17.3 | r2-s1 | All | All |
| Operating System | Juniper | Junos | 17.3 | r2-s2 | All | All |
| Operating System | Juniper | Junos | 17.3 | r2-s3 | All | All |
| Operating System | Juniper | Junos | 17.3 | r2-s4 | All | All |
| Operating System | Juniper | Junos | 17.3 | r2-s5 | All | All |
| Operating System | Juniper | Junos | 17.3 | r3 | - | All |
| Operating System | Juniper | Junos | 17.3 | r3-s1 | All | All |
| Operating System | Juniper | Junos | 17.3 | r3-s2 | All | All |
| Operating System | Juniper | Junos | 17.3 | r3-s3 | All | All |
| Operating System | Juniper | Junos | 17.3 | r3-s4 | All | All |
| Operating System | Juniper | Junos | 17.3 | r3-s7 | All | All |
| Operating System | Juniper | Junos | 17.3 | r3-s8 | All | All |
| Operating System | Juniper | Junos | 17.4 | - | All | All |
| Operating System | Juniper | Junos | 17.4 | r1 | All | All |
| Operating System | Juniper | Junos | 17.4 | r1-s1 | All | All |
| Operating System | Juniper | Junos | 17.4 | r1-s2 | All | All |
| Operating System | Juniper | Junos | 17.4 | r1-s4 | All | All |
| Operating System | Juniper | Junos | 17.4 | r1-s5 | All | All |
| Operating System | Juniper | Junos | 17.4 | r1-s6 | All | All |
| Operating System | Juniper | Junos | 17.4 | r1-s7 | All | All |
| Operating System | Juniper | Junos | 17.4 | r2 | All | All |
| Operating System | Juniper | Junos | 17.4 | r2-s1 | All | All |
| Operating System | Juniper | Junos | 17.4 | r2-s10 | All | All |
| Operating System | Juniper | Junos | 17.4 | r2-s2 | All | All |
| Operating System | Juniper | Junos | 17.4 | r2-s3 | All | All |
| Operating System | Juniper | Junos | 17.4 | r2-s4 | All | All |
| Operating System | Juniper | Junos | 17.4 | r2-s5 | All | All |
| Operating System | Juniper | Junos | 17.4 | r2-s6 | All | All |
| Operating System | Juniper | Junos | 17.4 | r2-s7 | All | All |
| Operating System | Juniper | Junos | 17.4 | r2-s8 | All | All |
| Operating System | Juniper | Junos | 17.4 | r2-s9 | All | All |
| Operating System | Juniper | Junos | 18.1 | - | All | All |
| Operating System | Juniper | Junos | 18.1 | r1 | All | All |
| Operating System | Juniper | Junos | 18.1 | r2 | All | All |
| Operating System | Juniper | Junos | 18.1 | r2-s1 | All | All |
| Operating System | Juniper | Junos | 18.1 | r2-s2 | All | All |
| Operating System | Juniper | Junos | 18.1 | r2-s4 | All | All |
| Operating System | Juniper | Junos | 18.1 | r3 | All | All |
| Operating System | Juniper | Junos | 18.1 | r3-s1 | All | All |
| Operating System | Juniper | Junos | 18.1 | r3-s2 | All | All |
| Operating System | Juniper | Junos | 18.1 | r3-s3 | All | All |
| Operating System | Juniper | Junos | 18.1 | r3-s4 | All | All |
| Operating System | Juniper | Junos | 18.1 | r3-s6 | All | All |
| Operating System | Juniper | Junos | 18.1 | r3-s7 | All | All |
| Operating System | Juniper | Junos | 18.1 | r3-s8 | All | All |
| Operating System | Juniper | Junos | 18.1 | r3-s9 | All | All |
| Operating System | Juniper | Junos | 18.2 | - | All | All |
| Operating System | Juniper | Junos | 18.2 | r1 | All | All |
| Operating System | Juniper | Junos | 18.2 | r1 | - | All |
| Operating System | Juniper | Junos | 18.2 | r1-s3 | All | All |
| Operating System | Juniper | Junos | 18.2 | r1-s4 | All | All |
| Operating System | Juniper | Junos | 18.2 | r1-s5 | All | All |
| Operating System | Juniper | Junos | 18.2 | r2 | All | All |
| Operating System | Juniper | Junos | 18.2 | r2-s1 | All | All |
| Operating System | Juniper | Junos | 18.2 | r2-s2 | All | All |
| Operating System | Juniper | Junos | 18.2 | r2-s3 | All | All |
| Operating System | Juniper | Junos | 18.2 | r2-s4 | All | All |
| Operating System | Juniper | Junos | 18.2 | r2-s5 | All | All |
| Operating System | Juniper | Junos | 18.2 | r2-s6 | All | All |
| Operating System | Juniper | Junos | 18.2 | r3 | All | All |
| Operating System | Juniper | Junos | 18.2 | r3-s1 | All | All |
| Operating System | Juniper | Junos | 18.2 | r3-s2 | All | All |
| Operating System | Juniper | Junos | 18.2 | r3-s3 | All | All |
| Operating System | Juniper | Junos | 18.3 | - | All | All |
| Operating System | Juniper | Junos | 18.3 | r1 | All | All |
| Operating System | Juniper | Junos | 18.3 | r1-s1 | All | All |
| Operating System | Juniper | Junos | 18.3 | r1-s2 | All | All |
| Operating System | Juniper | Junos | 18.3 | r1-s3 | All | All |
| Operating System | Juniper | Junos | 18.3 | r1-s5 | All | All |
| Operating System | Juniper | Junos | 18.3 | r1-s6 | All | All |
| Operating System | Juniper | Junos | 18.3 | r2 | All | All |
| Operating System | Juniper | Junos | 18.3 | r2-s1 | All | All |
| Operating System | Juniper | Junos | 18.3 | r2-s2 | All | All |
| Operating System | Juniper | Junos | 18.3 | r2-s3 | All | All |
| Operating System | Juniper | Junos | 18.3 | r3 | All | All |
| Operating System | Juniper | Junos | 18.3 | r3-s1 | All | All |
| Operating System | Juniper | Junos | 18.4 | - | All | All |
| Operating System | Juniper | Junos | 18.4 | r1 | All | All |
| Operating System | Juniper | Junos | 18.4 | r1-s1 | All | All |
| Operating System | Juniper | Junos | 18.4 | r1-s2 | All | All |
| Operating System | Juniper | Junos | 18.4 | r1-s5 | All | All |
| Operating System | Juniper | Junos | 18.4 | r1-s6 | All | All |
| Operating System | Juniper | Junos | 18.4 | r2 | All | All |
| Operating System | Juniper | Junos | 18.4 | r2-s1 | All | All |
| Operating System | Juniper | Junos | 18.4 | r2-s2 | All | All |
| Operating System | Juniper | Junos | 18.4 | r2-s3 | All | All |
| Operating System | Juniper | Junos | 18.4 | r3 | All | All |
| Operating System | Juniper | Junos | 18.4 | r3-s1 | All | All |
| Operating System | Juniper | Junos | 19.1 | - | All | All |
| Operating System | Juniper | Junos | 19.1 | r1 | All | All |
| Operating System | Juniper | Junos | 19.1 | r1-s1 | All | All |
| Operating System | Juniper | Junos | 19.1 | r1-s2 | All | All |
| Operating System | Juniper | Junos | 19.1 | r1-s3 | All | All |
| Operating System | Juniper | Junos | 19.1 | r1-s4 | All | All |
| Operating System | Juniper | Junos | 19.1 | r2 | All | All |
| Operating System | Juniper | Junos | 19.1 | r2-s1 | All | All |
| Operating System | Juniper | Junos | 19.1 | r3 | All | All |
| Operating System | Juniper | Junos | 19.2 | - | All | All |
| Operating System | Juniper | Junos | 19.2 | r1 | All | All |
| Operating System | Juniper | Junos | 19.2 | r1-s1 | All | All |
| Operating System | Juniper | Junos | 19.2 | r1-s2 | All | All |
| Operating System | Juniper | Junos | 19.2 | r1-s3 | All | All |
| Operating System | Juniper | Junos | 19.2 | r1-s4 | All | All |
| Operating System | Juniper | Junos | 19.2 | r2 | All | All |
| Operating System | Juniper | Junos | 19.3 | - | All | All |
| Operating System | Juniper | Junos | 19.3 | r1 | All | All |
| Operating System | Juniper | Junos | 19.3 | r1-s1 | All | All |
| Operating System | Juniper | Junos | 19.3 | r2 | All | All |
| Operating System | Juniper | Junos | 19.3 | r2-s1 | All | All |
| Operating System | Juniper | Junos | 19.3 | r2-s2 | All | All |
| Operating System | Juniper | Junos | 19.3 | r2-s3 | All | All |
| Operating System | Juniper | Junos | 19.4 | r1 | All | All |
| Operating System | Juniper | Junos | 19.4 | r1-s1 | All | All |
| Operating System | Juniper | Junos | 19.4 | r1-s2 | All | All |
| Operating System | Juniper | Junos | 20.1 | r1 | All | All |
| Operating System | Juniper | Junos | 20.1 | r1-s1 | All | All |
| Operating System | Juniper | Junos | 20.1 | r1-s2 | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Juniper Networks | MISC | kb.juniper.net | Vendor Advisory |
| 2020-10 Security Bulletin: Junos OS: EX4300 Series: High CPU load due to receipt of specific IPv4 packets (CVE-2020-1670) - Juniper Networks | MISC | kb.juniper.net | Vendor Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.