CVE-2021-31353 is an Improper Handling of Exceptional Conditions vulnerability in Juniper Networks Junos OS and Junos OS Evolved. An unauthenticated attacker can inject a specific BGP update, causing the routing protocol daemon (RPD) to crash and restart, leading to a sustained Denial of Service (DoS) condition. This vulnerability has a CVSS score of 7.5 (High), indicating a network-based attack with low complexity and high impact on availability. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
19.3CPE matchmatch criteria | cpe:2.3:o:juniper:junos:19.3:r3-s2:*:*:*:*:*:* | ||
19.4CPE matchmatch criteria | cpe:2.3:o:juniper:junos:19.4:r3-s3:*:*:*:*:*:* | ||
20.2CPE matchmatch criteria | cpe:2.3:o:juniper:junos:20.2:r2-s3:*:*:*:*:*:* | ||
20.2CPE matchmatch criteria | cpe:2.3:o:juniper:junos:20.2:r3:*:*:*:*:*:* | ||
20.2CPE matchmatch criteria | cpe:2.3:o:juniper:junos:20.2:r3-s1:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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