CVE-2021-31351
Summary
| CVE | CVE-2021-31351 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2021-10-19 19:15:00 UTC |
| Updated | 2021-10-25 21:27:00 UTC |
| Description | An Improper Check for Unusual or Exceptional Conditions in packet processing on the MS-MPC/MS-MIC utilized by Juniper Networks Junos OS allows a malicious attacker to send a specific packet, triggering the MS-MPC/MS-MIC to reset, causing a Denial of Service (DoS). Continued receipt and processing of this packet will create a sustained Denial of Service (DoS) condition. This issue only affects specific versions of Juniper Networks Junos OS on MX Series: 17.3R3-S11; 17.4R2-S13; 17.4R3 prior to 17.4R3-S5; 18.1R3-S12; 18.2R2-S8, 18.2R3-S7, 18.2R3-S8; 18.3R3-S4; 18.4R3-S7; 19.1R3-S4, 19.1R3-S5; 19.2R1-S6; 19.3R3-S2; 19.4R2-S4, 19.4R2-S5; 19.4R3-S2; 20.1R2-S1; 20.2R2-S2, 20.2R2-S3, 20.2R3; 20.3R2, 20.3R2-S1; 20.4R1, 20.4R1-S1, 20.4R2; 21.1R1; This issue does not affect any version of Juniper Networks Junos OS prior to 15.1X49-D240; |
Risk And Classification
Problem Types: CWE-754
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Juniper | Junos | 17.3 | r3-s11 | All | All |
| Operating System | Juniper | Junos | 17.4 | r2-s13 | All | All |
| Operating System | Juniper | Junos | 17.4 | r3 | All | All |
| Operating System | Juniper | Junos | 17.4 | r3-s1 | All | All |
| Operating System | Juniper | Junos | 17.4 | r3-s2 | All | All |
| Operating System | Juniper | Junos | 17.4 | r3-s3 | All | All |
| Operating System | Juniper | Junos | 17.4 | r3-s4 | All | All |
| Operating System | Juniper | Junos | 18.1 | r3-s12 | All | All |
| Operating System | Juniper | Junos | 18.2 | r2-s8 | All | All |
| Operating System | Juniper | Junos | 18.2 | r3-s7 | All | All |
| Operating System | Juniper | Junos | 18.2 | r3-s8 | All | All |
| Operating System | Juniper | Junos | 18.3 | r3-s4 | All | All |
| Operating System | Juniper | Junos | 18.4 | r3-s7 | All | All |
| Operating System | Juniper | Junos | 19.1 | r3-s4 | All | All |
| Operating System | Juniper | Junos | 19.1 | r3-s5 | All | All |
| Operating System | Juniper | Junos | 19.2 | r1-s6 | All | All |
| Operating System | Juniper | Junos | 19.3 | r3-s2 | All | All |
| Operating System | Juniper | Junos | 19.4 | r2-s4 | All | All |
| Operating System | Juniper | Junos | 19.4 | r2-s5 | All | All |
| Operating System | Juniper | Junos | 19.4 | r3-s2 | All | All |
| Operating System | Juniper | Junos | 20.1 | r2-s1 | All | All |
| Operating System | Juniper | Junos | 20.2 | r2-s2 | All | All |
| Operating System | Juniper | Junos | 20.2 | r2-s3 | All | All |
| Operating System | Juniper | Junos | 20.2 | r3 | All | All |
| Operating System | Juniper | Junos | 20.3 | r2 | All | All |
| Operating System | Juniper | Junos | 20.3 | r2-s1 | All | All |
| Operating System | Juniper | Junos | 20.4 | r1 | All | All |
| Operating System | Juniper | Junos | 20.4 | r1-s1 | All | All |
| Operating System | Juniper | Junos | 20.4 | r2 | All | All |
| Operating System | Juniper | Junos | 21.1 | r1 | All | All |
| Hardware | Juniper | Mx10 | - | All | All | All |
| Hardware | Juniper | Mx10000 | - | All | All | All |
| Hardware | Juniper | Mx10003 | - | All | All | All |
| Hardware | Juniper | Mx10008 | - | All | All | All |
| Hardware | Juniper | Mx10016 | - | All | All | All |
| Hardware | Juniper | Mx104 | - | All | All | All |
| Hardware | Juniper | Mx150 | - | All | All | All |
| Hardware | Juniper | Mx2008 | - | All | All | All |
| Hardware | Juniper | Mx2010 | - | All | All | All |
| Hardware | Juniper | Mx2020 | - | All | All | All |
| Hardware | Juniper | Mx204 | - | All | All | All |
| Hardware | Juniper | Mx240 | - | All | All | All |
| Hardware | Juniper | Mx40 | - | All | All | All |
| Hardware | Juniper | Mx480 | - | All | All | All |
| Hardware | Juniper | Mx5 | - | All | All | All |
| Hardware | Juniper | Mx80 | - | All | All | All |
| Hardware | Juniper | Mx960 | - | All | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| 2021-10 Security Bulletin: Junos OS: MX Series: Receipt of specific packet on MS-MPC/MS-MIC causes line card reset (CVE-2021-31351) - Juniper Networks | CONFIRM | kb.juniper.net | |
| 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.
Legacy QID Mappings
- 43895 Juniper Network Operating System (Junos OS) :MX Series Denial of Service (DoS) (Line Card Reset) Vulnerability (JSA1121)