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CVE-2021-0236
CVE information
Published
Last Modified
CVSSv2.0 Severity
CVSSv3.1 Severity
Impact Analysis
Description
Due to an improper check for unusual or exceptional conditions in Juniper Networks Junos OS and Junos OS Evolved the Routing Protocol Daemon (RPD) service, upon receipt of a specific matching BGP packet meeting a specific term in the flowspec configuration, crashes and restarts causing a Denial of Service (DoS). Continued receipt and processing of this packet will create a sustained Denial of Service (DoS) condition. This issue affects only Multiprotocol BGP (MP-BGP) VPNv6 FlowSpec deployments. This issue affects: Juniper Networks Junos OS: 18.4 versions prior to 18.4R1-S8, 18.4R2-S7, 18.4R3-S7; 19.1 versions prior to 19.1R2-S2, 19.1R3-S4; 19.2 versions prior to 19.2R1-S6, 19.2R3-S2; 19.3 versions prior to 19.3R3-S2; 19.4 versions prior to 19.4R2-S4, 19.4R3-S1; 20.1 versions prior to 20.1R2, 20.1R3; 20.2 versions prior to 20.2R2, 20.2R3; 20.3 versions prior to 20.3R1-S1, 20.3R2. Juniper Networks Junos OS Evolved: All versions after 18.4R1-EVO prior to 20.3R2-EVO. This issue does not affect: Juniper Networks Junos OS versions prior to 18.4R1. Juniper Networks Junos OS Evolved versions prior to 18.4R1-EVO..
CVSSv2.0 Score
- Severity
- Medium
- Base Score
- 6.8/10
- Exploit Score
- 8/10
- Access Vector
- Network
- Access Complexity
- Low
- Authentication Required
- Single
- Impact Score
- 6.9/10
- Confidentiality Impact
- None
- Availability Impact
- Complete
- Integrity Impact
- None
CVSSv3.1 Score
- Severity
- Medium
- Base Score
- 6.5/10
- Exploit Score
- 2.8/10
- Access Vector
- Network
- Access Complexity
- Low
- Privileges Required
- Low
- Impact Score
- 3.6/10
- Confidentiality Impact
- None
- Availability Impact
- High
- Integrity Impact
- None
- Scope
- Unchanged
- User Interaction
- None
Products Affected
| CPE | Affected | Vulnerable | Excluding | Edit |
|---|---|---|---|---|
| cpe:2.3:o:juniper:junos:18.4:r1:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:18.4:-:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:18.4:r1-s1:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:18.4:r1-s3:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:18.4:r1-s4:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:18.4:r1-s2:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.1:r1:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.1:-:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.2:r1:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:18.4:r2:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.1:r1-s1:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.1:r1-s3:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.1:r1-s2:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:18.4:r1-s5:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.2:r1-s1:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.2:r1-s2:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:18.4:r2-s1:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos_os_evolved:19.3:r1:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos_os_evolved:19.3:r2:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos_os_evolved:19.2:r1:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos_os_evolved:19.2:r2:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos_os_evolved:19.1:r1:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos_os_evolved:19.1:r2:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.3:-:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.3:r1:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.2:-:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:18.4:r2-s2:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.2:r1-s3:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.4:r1:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.3:r2:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.1:r2:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:18.4:r3:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:18.4:r2-s3:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.3:r2-s1:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.3:r1-s1:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.2:r1-s4:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:20.1:r1:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.4:r1-s1:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.3:r2-s2:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.1:r1-s4:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:18.4:r1-s6:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:18.4:r3-s2:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:18.4:r3-s1:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:18.4:r2-s4:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.1:r2-s1:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.1:r3:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.1:r3-s1:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos_os_evolved:20.1:r1:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.4:r1-s2:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:20.1:r1-s1:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:20.2:r1:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:20.1:r1-s2:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:20.1:r1-s3:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.4:r2:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.4:r2-s1:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.3:r2-s3:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.1:r3-s2:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:18.4:r3-s3:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:18.4:r3-s4:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.2:r2:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.3:r2-s4:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:20.2:r1-s1:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:20.2:r1-s2:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.4:r2-s2:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.2:r3:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:18.4:r3-s5:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.4:r3:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.3:r2-s5:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.3:r3:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.2:r1-s5:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.1:r3-s3:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:18.4:r2-s5:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:18.4:r2-s6:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.1:r1-s5:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:18.4:r1-s7:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:20.3:r1:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.2:r2-s1:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:20.1:r1-s4:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:18.4:r3-s6:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:20.2:r1-s3:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.2:r3-s1:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.4:r2-s3:*:*:*:*:*:* |
Yes
|
- | - |