CVE-2023-22391

Summary

CVECVE-2023-22391
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2023-01-13 00:15:00 UTC
Updated2023-01-24 18:44:00 UTC
DescriptionA 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.

Risk And Classification

Problem Types: CWE-755

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Juniper Junos All All All All
Operating System Juniper Junos 19.4 - All All
Operating System Juniper Junos 19.4 r1 All All
Operating System Juniper Junos 19.4 r1-s1 All All
Operating System Juniper Junos 19.4 r1-s2 All All
Operating System Juniper Junos 19.4 r1-s3 All All
Operating System Juniper Junos 19.4 r1-s4 All All
Operating System Juniper Junos 19.4 r2 All All
Operating System Juniper Junos 19.4 r2-s1 All All
Operating System Juniper Junos 19.4 r2-s2 All All
Operating System Juniper Junos 19.4 r2-s3 All All
Operating System Juniper Junos 19.4 r2-s4 All All
Operating System Juniper Junos 19.4 r2-s5 All All
Operating System Juniper Junos 19.4 r3-s7 All All
Operating System Juniper Junos 19.4 r3-s8 All All
Operating System Juniper Junos 20.2 - All All
Operating System Juniper Junos 20.2 r1 All All
Operating System Juniper Junos 20.2 r1-s1 All All
Operating System Juniper Junos 20.2 r1-s2 All All
Operating System Juniper Junos 20.2 r1-s3 All All
Operating System Juniper Junos 20.2 r2 All All
Operating System Juniper Junos 20.2 r2-s1 All All
Operating System Juniper Junos 20.2 r2-s2 All All
Operating System Juniper Junos 20.2 r2-s3 All All
Operating System Juniper Junos 20.2 r3 All All
Operating System Juniper Junos 20.2 r3-s1 All All
Operating System Juniper Junos 20.2 r3-s2 All All
Operating System Juniper Junos 20.2 r3-s3 All All
Operating System Juniper Junos 20.2 r3-s4 All All
Operating System Juniper Junos 20.2 r3-s5 All All
Operating System Juniper Junos 20.2 r3-s6 All All
Operating System Juniper Junos 20.3 - All All
Operating System Juniper Junos 20.3 r1 All All
Operating System Juniper Junos 20.3 r1-s1 All All
Operating System Juniper Junos 20.3 r1-s2 All All
Operating System Juniper Junos 20.3 r2 All All
Operating System Juniper Junos 20.3 r2-s1 All All
Operating System Juniper Junos 20.3 r3 All All
Operating System Juniper Junos 20.3 r3-s1 All All
Operating System Juniper Junos 20.3 r3-s2 All All
Operating System Juniper Junos 20.3 r3-s3 All All
Operating System Juniper Junos 20.3 r3-s4 All All
Operating System Juniper Junos 20.3 r3-s5 All All
Operating System Juniper Junos 20.4 - All All
Operating System Juniper Junos 20.4 r1 All All
Operating System Juniper Junos 20.4 r1-s1 All All
Operating System Juniper Junos 20.4 r2 All All
Operating System Juniper Junos 20.4 r2-s1 All All
Operating System Juniper Junos 20.4 r2-s2 All All
Operating System Juniper Junos 20.4 r3 All All
Operating System Juniper Junos 20.4 r3-s1 All All
Operating System Juniper Junos 20.4 r3-s2 All All
Operating System Juniper Junos 20.4 r3-s3 All All
Operating System Juniper Junos 21.1 - All All
Operating System Juniper Junos 21.1 r1 All All
Operating System Juniper Junos 21.1 r1-s1 All All
Operating System Juniper Junos 21.1 r2 All All
Operating System Juniper Junos 21.1 r2-s1 All All
Operating System Juniper Junos 21.1 r2-s2 All All
Operating System Juniper Junos 21.1 r3 All All
Operating System Juniper Junos 21.1 r3-s1 All All
Operating System Juniper Junos 21.1 r3-s2 All All
Operating System Juniper Junos 21.1 r3-s4 All All
Operating System Juniper Junos 21.2 - All All
Operating System Juniper Junos 21.2 r1 All All
Operating System Juniper Junos 21.2 r1-s1 All All
Operating System Juniper Junos 21.2 r1-s2 All All
Operating System Juniper Junos 21.2 r2 All All
Operating System Juniper Junos 21.2 r2-s1 All All
Operating System Juniper Junos 21.2 r2-s2 All All
Operating System Juniper Junos 21.2 r3 All All
Operating System Juniper Junos 21.2 r3-s1 All All
Operating System Juniper Junos 21.2 r3-s2 All All

References

ReferenceSourceLinkTags
CEC Juniper Community CONFIRM kb.juniper.net
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 43964 Juniper Network Operating System (Junos OS) Denial of Service (DoS) Vulnerability (JSA70187)

© CVE.report 2026

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

Free CVE JSON API cve.report/api

CVE.report and Source URL Uptime Status status.cve.report