CVE-2021-0291
Summary
| CVE | CVE-2021-0291 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2021-07-15 20:15:00 UTC |
| Updated | 2022-07-26 13:50:00 UTC |
| Description | An Exposure of System Data vulnerability in Juniper Networks Junos OS and Junos OS Evolved, where a sensitive system-level resource is not being sufficiently protected, allows a network-based unauthenticated attacker to send specific traffic which partially reaches this resource. A high rate of specific traffic may lead to a partial Denial of Service (DoS) as the CPU utilization of the RE is significantly increased. The SNMP Agent Extensibility (agentx) process should only be listening to TCP port 705 on the internal routing instance. External connections destined to port 705 should not be allowed. This issue affects: Juniper Networks Junos OS: 15.1 versions prior to 15.1R7-S9; 17.3 versions prior to 17.3R3-S12; 17.4 versions prior to 17.4R2-S13, 17.4R3-S5; 18.3 versions prior to 18.3R3-S5; 18.4 versions prior to 18.4R2-S8; 19.1 versions prior to 19.1R3-S5; 19.2 versions prior to 19.2R3-S2; 19.3 versions prior to 19.3R2-S6, 19.3R3-S2; 19.4 versions prior to 19.4R1-S4, 19.4R2-S4, 19.4R3; 20.1 versions prior to 20.1R2; 20.2 versions prior to 20.2R2; 20.3 versions prior to 20.3R2. Juniper Networks Junos OS Evolved versions prior to 20.3R2-EVO. This issue does not affect Juniper Networks Junos OS versions prior to 13.2R1. |
Risk And Classification
Problem Types: CWE-200
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Juniper | Junos | 15.1 | - | All | All |
| Operating System | Juniper | Junos | 15.1 | a1 | All | All |
| Operating System | Juniper | Junos | 15.1 | f | All | All |
| Operating System | Juniper | Junos | 15.1 | f1 | All | All |
| Operating System | Juniper | Junos | 15.1 | f2 | All | All |
| Operating System | Juniper | Junos | 15.1 | f2-s1 | All | All |
| Operating System | Juniper | Junos | 15.1 | f2-s2 | All | All |
| Operating System | Juniper | Junos | 15.1 | f2-s3 | All | All |
| Operating System | Juniper | Junos | 15.1 | f2-s4 | All | All |
| Operating System | Juniper | Junos | 15.1 | f3 | All | All |
| Operating System | Juniper | Junos | 15.1 | f4 | All | All |
| Operating System | Juniper | Junos | 15.1 | f5 | All | All |
| Operating System | Juniper | Junos | 15.1 | f5-s7 | All | All |
| Operating System | Juniper | Junos | 15.1 | f6 | All | All |
| Operating System | Juniper | Junos | 15.1 | f6-s1 | All | All |
| Operating System | Juniper | Junos | 15.1 | f6-s10 | All | All |
| Operating System | Juniper | Junos | 15.1 | f6-s12 | All | All |
| Operating System | Juniper | Junos | 15.1 | f6-s2 | All | All |
| Operating System | Juniper | Junos | 15.1 | f6-s3 | All | All |
| Operating System | Juniper | Junos | 15.1 | f6-s4 | All | All |
| Operating System | Juniper | Junos | 15.1 | f6-s5 | All | All |
| Operating System | Juniper | Junos | 15.1 | f6-s6 | All | All |
| Operating System | Juniper | Junos | 15.1 | f6-s7 | All | All |
| Operating System | Juniper | Junos | 15.1 | f6-s8 | All | All |
| Operating System | Juniper | Junos | 15.1 | f6-s9 | All | All |
| Operating System | Juniper | Junos | 15.1 | f7 | All | All |
| Operating System | Juniper | Junos | 15.1 | r | All | All |
| Operating System | Juniper | Junos | 15.1 | r1 | All | All |
| Operating System | Juniper | Junos | 15.1 | r2 | All | All |
| Operating System | Juniper | Junos | 15.1 | r3 | All | All |
| Operating System | Juniper | Junos | 15.1 | r4 | All | All |
| Operating System | Juniper | Junos | 15.1 | r4-s7 | All | All |
| Operating System | Juniper | Junos | 15.1 | r4-s8 | All | All |
| Operating System | Juniper | Junos | 15.1 | r4-s9 | All | All |
| Operating System | Juniper | Junos | 15.1 | r5 | All | All |
| Operating System | Juniper | Junos | 15.1 | r5-s1 | All | All |
| Operating System | Juniper | Junos | 15.1 | r5-s3 | All | All |
| Operating System | Juniper | Junos | 15.1 | r5-s5 | All | All |
| Operating System | Juniper | Junos | 15.1 | r5-s6 | All | All |
| Operating System | Juniper | Junos | 15.1 | r6 | All | All |
| Operating System | Juniper | Junos | 15.1 | r6-s1 | All | All |
| Operating System | Juniper | Junos | 15.1 | r6-s2 | All | All |
| Operating System | Juniper | Junos | 15.1 | r6-s3 | All | All |
| Operating System | Juniper | Junos | 15.1 | r6-s4 | All | All |
| Operating System | Juniper | Junos | 15.1 | r6-s6 | All | All |
| Operating System | Juniper | Junos | 15.1 | r7 | All | All |
| Operating System | Juniper | Junos | 15.1 | r7-s1 | All | All |
| Operating System | Juniper | Junos | 15.1 | r7-s2 | All | All |
| Operating System | Juniper | Junos | 15.1 | r7-s3 | All | All |
| Operating System | Juniper | Junos | 15.1 | r7-s4 | All | All |
| Operating System | Juniper | Junos | 15.1 | r7-s5 | All | All |
| Operating System | Juniper | Junos | 15.1 | r7-s6 | All | All |
| Operating System | Juniper | Junos | 15.1 | r7-s7 | All | All |
| Operating System | Juniper | Junos | 15.1 | r7-s8 | All | All |
| Operating System | Juniper | Junos | 17.3 | - | All | All |
| Operating System | Juniper | Junos | 17.3 | r1 | All | All |
| Operating System | Juniper | Junos | 17.3 | r1-s1 | All | All |
| Operating System | Juniper | Junos | 17.3 | r1-s4 | 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 | 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-s10 | All | All |
| Operating System | Juniper | Junos | 17.3 | r3-s11 | 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-s5 | All | All |
| Operating System | Juniper | Junos | 17.3 | r3-s6 | 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 | 17.3 | r3-s9 | 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-s3 | 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-s11 | All | All |
| Operating System | Juniper | Junos | 17.4 | r2-s12 | 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 | 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 | 18.3 | - | 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-s4 | 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 | r2-s4 | 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 | 18.3 | r3-s2 | All | All |
| Operating System | Juniper | Junos | 18.3 | r3-s3 | All | All |
| Operating System | Juniper | Junos | 18.3 | r3-s4 | 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-s3 | All | All |
| Operating System | Juniper | Junos | 18.4 | r1-s4 | 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 | r1-s7 | 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 | r2-s4 | All | All |
| Operating System | Juniper | Junos | 18.4 | r2-s5 | All | All |
| Operating System | Juniper | Junos | 18.4 | r2-s6 | All | All |
| Operating System | Juniper | Junos | 18.4 | r2-s7 | 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 | 18.4 | r3-s2 | All | All |
| Operating System | Juniper | Junos | 18.4 | r3-s3 | All | All |
| Operating System | Juniper | Junos | 18.4 | r3-s4 | All | All |
| Operating System | Juniper | Junos | 18.4 | r3-s5 | All | All |
| Operating System | Juniper | Junos | 18.4 | r3-s6 | All | All |
| Operating System | Juniper | Junos | 18.4 | r3-s7 | All | All |
| Operating System | Juniper | Junos | 18.4 | r3-s8 | 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 | r1-s5 | All | All |
| Operating System | Juniper | Junos | 19.1 | r1-s6 | 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 | r2-s2 | All | All |
| Operating System | Juniper | Junos | 19.1 | r3 | All | All |
| Operating System | Juniper | Junos | 19.1 | r3-s1 | All | All |
| Operating System | Juniper | Junos | 19.1 | r3-s2 | All | All |
| Operating System | Juniper | Junos | 19.1 | r3-s3 | All | All |
| Operating System | Juniper | Junos | 19.1 | r3-s4 | 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 | r1-s5 | All | All |
| Operating System | Juniper | Junos | 19.2 | r1-s6 | All | All |
| Operating System | Juniper | Junos | 19.2 | r2 | All | All |
| Operating System | Juniper | Junos | 19.2 | r2-s1 | All | All |
| Operating System | Juniper | Junos | 19.2 | r3 | All | All |
| Operating System | Juniper | Junos | 19.2 | r3-s1 | 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 | 19.3 | r2-s4 | All | All |
| Operating System | Juniper | Junos | 19.3 | r2-s5 | All | All |
| Operating System | Juniper | Junos | 19.3 | r3 | All | All |
| Operating System | Juniper | Junos | 19.3 | r3-s1 | 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 | 19.4 | r1-s3 | All | All |
| Operating System | Juniper | Junos | 19.4 | r2 | All | All |
| Operating System | Juniper | Junos | 19.4 | r2-s1 | All | All |
| Operating System | Juniper | Junos | 19.4 | r2-s2 | All | All |
| Operating System | Juniper | Junos | 19.4 | r2-s3 | 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 | 20.1 | r1-s3 | All | All |
| Operating System | Juniper | Junos | 20.1 | r1-s4 | All | All |
| Operating System | Juniper | Junos | 20.2 | r1 | All | All |
| Operating System | Juniper | Junos | 20.2 | r1-s1 | All | All |
| Operating System | Juniper | Junos | 20.2 | r1-s2 | All | All |
| Operating System | Juniper | Junos | 20.2 | r1-s3 | All | All |
| Operating System | Juniper | Junos | 20.3 | r1 | All | All |
| Operating System | Juniper | Junos | 20.3 | r1-s1 | All | All |
| Operating System | Juniper | Junos Evolved | 19.2 | r1 | All | All |
| Operating System | Juniper | Junos Evolved | 19.2 | r2 | All | All |
| Operating System | Juniper | Junos Evolved | 19.3 | r1 | All | All |
| Operating System | Juniper | Junos Evolved | 19.3 | r2 | All | All |
| Operating System | Juniper | Junos Evolved | 19.4 | r1 | All | All |
| Operating System | Juniper | Junos Evolved | 19.4 | r2 | All | All |
| Operating System | Juniper | Junos Evolved | 19.4 | r2-s1 | All | All |
| Operating System | Juniper | Junos Evolved | 20.1 | - | All | All |
| Operating System | Juniper | Junos Evolved | 20.1 | r1 | All | All |
| Operating System | Juniper | Junos Evolved | 20.1 | r1-s1 | All | All |
| Operating System | Juniper | Junos Evolved | 20.2 | - | All | All |
| Operating System | Juniper | Junos Evolved | 20.3 | - | All | All |
| Operating System | Juniper | Junos Evolved | 20.3 | r1 | All | All |
| Operating System | Juniper | Junos Os Evolved | 19.2 | r1 | All | All |
| Operating System | Juniper | Junos Os Evolved | 19.2 | r2 | All | All |
| Operating System | Juniper | Junos Os Evolved | 19.3 | r1 | All | All |
| Operating System | Juniper | Junos Os Evolved | 19.3 | r2 | All | All |
| Operating System | Juniper | Junos Os Evolved | 19.4 | r1 | All | All |
| Operating System | Juniper | Junos Os Evolved | 19.4 | r2 | All | All |
| Operating System | Juniper | Junos Os Evolved | 19.4 | r2-s1 | All | All |
| Operating System | Juniper | Junos Os Evolved | 20.1 | - | All | All |
| Operating System | Juniper | Junos Os Evolved | 20.1 | r1 | All | All |
| Operating System | Juniper | Junos Os Evolved | 20.1 | r1-s1 | All | All |
| Operating System | Juniper | Junos Os Evolved | 20.2 | - | All | All |
| Operating System | Juniper | Junos Os Evolved | 20.3 | - | All | All |
| Operating System | Juniper | Junos Os Evolved | 20.3 | r1 | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| 2021-07 Security Bulletin: Junos OS and Junos OS Evolved: A vulnerability allows a network based unauthenticated attacker which sends a high rate of specific traffic to cause a partial Denial of Service (CVE-2021-0291) - 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
- 43840 Juniper Junos OS Denial of Service Vulnerability (JSA11193)