CVE-2021-31353
published 2021-10-19CVE-2021-31353: An Improper Handling of Exceptional Conditions vulnerability in Juniper Networks Junos OS and Junos OS Evolved allows an attacker to inject a specific BGP…
high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
An Improper Handling of Exceptional Conditions vulnerability in Juniper Networks Junos OS and Junos OS Evolved allows an attacker to inject a specific BGP update, causing the routing protocol daemon (RPD) to crash and restart, leading to a Denial of Service (DoS). Continued receipt and processing of the BGP update will create a sustained Denial of Service (DoS) condition. This issue affects very specific versions of Juniper Networks Junos OS: 19.3R3-S2; 19.4R3-S3; 20.2 versions 20.2R2-S3 and later, prior to 20.2R3-S2; 20.3 versions 20.3R2 and later, prior to 20.3R3; 20.4 versions 20.4R2 and later, prior to 20.4R3; 21.1 versions prior to 21.1R2. Juniper Networks Junos OS 20.1 is not affected by this issue. This issue also affects Juniper Networks Junos OS Evolved: All versions prior to 20.4R2-S3-EVO, 20.4R3-EVO; 21.1-EVO versions prior to 21.1R2-EVO; 21.2-EVO versions prior to 21.2R2-EVO.
Affected
17 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| juniper | junos | — | — |
| juniper | junos | — | — |
| juniper | junos | — | — |
| juniper | junos | — | — |
| juniper | junos | — | — |
| juniper | junos | — | — |
| juniper | junos_os | — | — |
| juniper | junos_os_evolved | <= 20.3 | — |
| juniper | junos_os_evolved | — | — |
| juniper | junos_os_evolved | — | — |
| juniper | junos_os_evolved | — | — |
| juniper_networks | junos_os | — | — |
| juniper_networks | junos_os | — | — |
| juniper_networks | junos_os | >= 21.1 < 21.1R2 | 21.1R2 |
| juniper_networks | junos_os_evolved | >= 21.1-EVO < 21.1R2-EVO | 21.1R2-EVO |
| juniper_networks | junos_os_evolved | >= 21.2-EVO < 21.2R2-EVO | 21.2R2-EVO |
| juniper_networks | junos_os_evolved | >= unspecified < 20.4R2-S3-EVO, 20.4R3-EVO | 20.4R2-S3-EVO, 20.4R3-EVO |