CVE-2021-31362
published 2021-10-19CVE-2021-31362: A Protection Mechanism Failure vulnerability in RPD (routing protocol daemon) of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent…
medium6.5CVSS 3.1
AVAACLPRNUINSUCNINAH
A Protection Mechanism Failure vulnerability in RPD (routing protocol daemon) of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent unauthenticated attacker to cause established IS-IS adjacencies to go down by sending a spoofed hello PDU leading to a Denial of Service (DoS) condition. Continued receipted of these spoofed PDUs will create a sustained Denial of Service (DoS) condition. This issue affects: Juniper Networks Junos OS All versions prior to 18.2R3-S8; 18.3 versions prior to 18.3R3-S5; 18.4 versions prior to 18.4R3-S9; 19.1 versions prior to 19.1R3-S7; 19.2 versions prior to 19.2R1-S7, 19.2R3-S3; 19.3 versions prior to 19.3R2-S6, 19.3R3-S2; 19.4 versions prior to 19.4R3-S3; 20.1 versions prior to 20.1R3; 20.2 versions prior to 20.2R3; 20.3 versions prior to 20.3R3; 20.4 versions prior to 20.4R2. Juniper Networks Junos OS Evolved All versions prior to 20.4R2-EVO; 21.1 versions prior to 21.1R2-EVO.
Affected
29 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| juniper | junos | <= 18.1 | — |
| juniper | junos | — | — |
| juniper | junos | — | — |
| juniper | junos | — | — |
| juniper | junos | — | — |
| juniper | junos | — | — |
| 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_networks | junos_os | >= 18.3 < 18.3R3-S5 | 18.3R3-S5 |
| juniper_networks | junos_os | >= 18.4 < 18.4R3-S9 | 18.4R3-S9 |
| juniper_networks | junos_os | >= 19.1 < 19.1R3-S7 | 19.1R3-S7 |
| juniper_networks | junos_os | >= 19.2 < 19.2R1-S7, 19.2R3-S3 | 19.2R1-S7, 19.2R3-S3 |
| juniper_networks | junos_os | >= 19.3 < 19.3R2-S6, 19.3R3-S2 | 19.3R2-S6, 19.3R3-S2 |
| juniper_networks | junos_os | >= 19.4 < 19.4R3-S3 | 19.4R3-S3 |
| juniper_networks | junos_os | >= 20.1 < 20.1R3 | 20.1R3 |
| juniper_networks | junos_os | >= 20.2 < 20.2R3 | 20.2R3 |
| juniper_networks | junos_os | >= 20.3 < 20.3R3 | 20.3R3 |