A vulnerability in class-of-service (CoS) queue management in Juniper Networks Junos OS on the ACX2K Series devices allows an unauthenticated network-based attacker to cause a Denial of Service (DoS). Specific packets are being incorrectly routed to a queue used for other high-priority traffic such as BGP, PIM, ICMP, ICMPV6 ND and ISAKMP. Due to this misclassification of traffic, receipt of a high rate of these specific packets will cause delays in the processing of other traffic, leading to a Denial of Service (DoS). Continued receipt of this amount of traffic will create a sustained Denial of Service (DoS) condition. This issue affects Juniper Networks Junos OS on ACX2K Series: All versions prior to 19.4R3-S9; All 20.2 versions; 20.3 versions prior to 20.3R3-S6 on ACX2K Series; 20.4 versions prior to 20.4R3-S4 on ACX2K Series; All 21.1 versions; 21.2 versions prior to 21.2R3-S3 on ACX2K Series. Note: This issues affects legacy ACX2K Series PPC-based devices. This platform reached Last Supported Version (LSV) as of the Junos OS 21.2 Release.
2023-01-13T00:15:09.827
2024-11-21T07:44:43.083
Modified
CVSSv3.1: 7.5 (HIGH)
Type | Vendor | Product | Version/Range | Vulnerable? |
---|---|---|---|---|
Operating System | juniper | junos | < 19.4 | Yes |
Operating System | juniper | junos | 19.4 | Yes |
Operating System | juniper | junos | 19.4 | Yes |
Operating System | juniper | junos | 19.4 | Yes |
Operating System | juniper | junos | 19.4 | Yes |
Operating System | juniper | junos | 19.4 | Yes |
Operating System | juniper | junos | 19.4 | Yes |
Operating System | juniper | junos | 19.4 | Yes |
Operating System | juniper | junos | 19.4 | Yes |
Operating System | juniper | junos | 19.4 | Yes |
Operating System | juniper | junos | 19.4 | Yes |
Operating System | juniper | junos | 19.4 | Yes |
Operating System | juniper | junos | 19.4 | Yes |
Operating System | juniper | junos | 19.4 | Yes |
Operating System | juniper | junos | 19.4 | Yes |
Operating System | juniper | junos | 20.2 | Yes |
Operating System | juniper | junos | 20.2 | Yes |
Operating System | juniper | junos | 20.2 | Yes |
Operating System | juniper | junos | 20.2 | Yes |
Operating System | juniper | junos | 20.2 | Yes |
Operating System | juniper | junos | 20.2 | Yes |
Operating System | juniper | junos | 20.2 | Yes |
Operating System | juniper | junos | 20.2 | Yes |
Operating System | juniper | junos | 20.2 | Yes |
Operating System | juniper | junos | 20.2 | Yes |
Operating System | juniper | junos | 20.2 | Yes |
Operating System | juniper | junos | 20.2 | Yes |
Operating System | juniper | junos | 20.2 | Yes |
Operating System | juniper | junos | 20.2 | Yes |
Operating System | juniper | junos | 20.2 | Yes |
Operating System | juniper | junos | 20.2 | Yes |
Operating System | juniper | junos | 20.3 | Yes |
Operating System | juniper | junos | 20.3 | Yes |
Operating System | juniper | junos | 20.3 | Yes |
Operating System | juniper | junos | 20.3 | Yes |
Operating System | juniper | junos | 20.3 | Yes |
Operating System | juniper | junos | 20.3 | Yes |
Operating System | juniper | junos | 20.3 | Yes |
Operating System | juniper | junos | 20.3 | Yes |
Operating System | juniper | junos | 20.3 | Yes |
Operating System | juniper | junos | 20.3 | Yes |
Operating System | juniper | junos | 20.3 | Yes |
Operating System | juniper | junos | 20.3 | Yes |
Operating System | juniper | junos | 20.4 | Yes |
Operating System | juniper | junos | 20.4 | Yes |
Operating System | juniper | junos | 20.4 | Yes |
Operating System | juniper | junos | 20.4 | Yes |
Operating System | juniper | junos | 20.4 | Yes |
Operating System | juniper | junos | 20.4 | Yes |
Operating System | juniper | junos | 20.4 | Yes |
Operating System | juniper | junos | 20.4 | Yes |
Operating System | juniper | junos | 20.4 | Yes |
Operating System | juniper | junos | 20.4 | Yes |
Operating System | juniper | junos | 21.1 | Yes |
Operating System | juniper | junos | 21.1 | Yes |
Operating System | juniper | junos | 21.1 | Yes |
Operating System | juniper | junos | 21.1 | Yes |
Operating System | juniper | junos | 21.1 | Yes |
Operating System | juniper | junos | 21.1 | Yes |
Operating System | juniper | junos | 21.1 | Yes |
Operating System | juniper | junos | 21.1 | Yes |
Operating System | juniper | junos | 21.1 | Yes |
Operating System | juniper | junos | 21.1 | Yes |
Operating System | juniper | junos | 21.2 | Yes |
Operating System | juniper | junos | 21.2 | Yes |
Operating System | juniper | junos | 21.2 | Yes |
Operating System | juniper | junos | 21.2 | Yes |
Operating System | juniper | junos | 21.2 | Yes |
Operating System | juniper | junos | 21.2 | Yes |
Operating System | juniper | junos | 21.2 | Yes |
Operating System | juniper | junos | 21.2 | Yes |
Operating System | juniper | junos | 21.2 | Yes |
Operating System | juniper | junos | 21.2 | Yes |