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CVE-2021-1424

Cisco ASR 5000 Series Software (StarOS) ipsecmgr Process Denial of Service Vulnerability

Published
Last modified
published
Not listed in CISA KEV
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: yes
  • Technical impact: partial

Summary

A vulnerability in the ipsecmgr process of Cisco ASR 5000 Series Software (StarOS) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. This vulnerability is due to insufficient validation of incoming Internet Key Exchange Version 2 (IKEv2) packets. An attacker could exploit this vulnerability by sending specifically malformed IKEv2 packets to an affected device. A successful exploit could allow the attacker to cause the ipsecmgr process to restart, which would disrupt ongoing IKE negotiations and result in a temporary DoS condition.Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: yes · Technical impact: partial

  3. Record last updated

Affected versions

  • Cisco Cisco ASR 5000 Series Software

    21.15.7, 21.13.10, 21.14.1, 21.11.5, 21.13.8, 21.14.5, 21.12.8, 21.13.11, 21.11.8, 21.12.9, 21.15.5, 21.11.7, 21.13.5, 21.12.0, 21.15.2, 21.11.6, 21.14.2, 21.12.3, 21.15.0, 21.11.2, 21.13.7, 21.12.4, 21.12.12, 21.13.4, 21.12.5, 21.14.a0, 21.11.9, 21.14.0, 21.11.4, 21.12.7, and 192 more

References 5

sec.cloudapps.cisco.com