CVE-2021-0233

Summary

CVECVE-2021-0233
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-04-22 20:15:00 UTC
Updated2022-09-20 17:08:00 UTC
DescriptionA vulnerability in Juniper Networks Junos OS ACX500 Series, ACX4000 Series, may allow an attacker to cause a Denial of Service (DoS) by sending a high rate of specific packets to the device, resulting in a Forwarding Engine Board (FFEB) crash. Continued receipt of these packets will sustain the Denial of Service (DoS) condition. This issue affects Juniper Networks Junos OS on ACX500 Series, ACX4000 Series: 17.4 versions prior to 17.4R3-S2.

Risk And Classification

Problem Types: NVD-CWE-noinfo

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Hardware Juniper Acx4000 - All All All
Hardware Juniper Acx500 - All All All
Operating System Juniper Junos 17.4 - All All
Operating System Juniper Junos 17.4 r1 All All
Operating System Juniper Junos 17.4 r1-s1 All All
Operating System Juniper Junos 17.4 r1-s2 All All
Operating System Juniper Junos 17.4 r1-s3 All All
Operating System Juniper Junos 17.4 r1-s4 All All
Operating System Juniper Junos 17.4 r1-s5 All All
Operating System Juniper Junos 17.4 r1-s6 All All
Operating System Juniper Junos 17.4 r1-s7 All All
Operating System Juniper Junos 17.4 r2 All All
Operating System Juniper Junos 17.4 r2-s1 All All
Operating System Juniper Junos 17.4 r2-s10 All All
Operating System Juniper Junos 17.4 r2-s11 All All
Operating System Juniper Junos 17.4 r2-s2 All All
Operating System Juniper Junos 17.4 r2-s3 All All
Operating System Juniper Junos 17.4 r2-s4 All All
Operating System Juniper Junos 17.4 r2-s5 All All
Operating System Juniper Junos 17.4 r2-s6 All All
Operating System Juniper Junos 17.4 r2-s7 All All
Operating System Juniper Junos 17.4 r2-s8 All All
Operating System Juniper Junos 17.4 r2-s9 All All
Operating System Juniper Junos 17.4 r3 All All
Operating System Juniper Junos 17.4 r3-s1 All All

References

ReferenceSourceLinkTags
2021-04 Security Bulletin: Junos OS: ACX500 Series, ACX4000 Series: Denial of Service due to FFEB crash while processing high rate of specific packets. (CVE-2021-0233) - Juniper Networks MISC kb.juniper.net
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
© 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.

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