A vulnerability in the SSH service of Cisco Catalyst SD-WAN Manager could allow an unauthenticated, remote attacker to cause a process…

Description

A vulnerability in the SSH service of Cisco Catalyst SD-WAN Manager could allow an unauthenticated, remote attacker to cause a process crash, resulting in a DoS condition for SSH access only. This vulnerability does not prevent the system from continuing to function, and web UI access is not affected. This vulnerability is due to insufficient resource management when an affected system is in an error condition. An attacker could exploit this vulnerability by sending malicious traffic to the affected system. A successful exploit could allow the attacker to cause the SSH process to crash and restart, resulting in a DoS condition for the SSH service.

Timeline

Scores

EPSS (exploitation in 30 days)

1.0% · top 37% of all CVEs (7 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.3.

Weakness

• CWE-399: Resource Management Errors (opens in a new tab)All about CWE-399 and its CVEs

Affected products

• Cisco · Cisco SD-WAN Solution

  • affected 17.2.4
  • affected 17.2.5
  • affected 17.2.6
  • affected 17.2.7
  • affected 17.2.8
  • affected 17.2.9
  • affected 17.2.10
  • affected 18.2.0
  • affected 18.3.0
  • affected 18.3.1
  • affected 18.3.3
  • affected 18.3.3.1
  • affected 18.3.4
  • affected 18.3.5
  • affected 18.3.6
  • affected 18.3.7
  • affected 18.3.8
  • affected 18.4.0
  • affected 18.4.1
  • affected 18.4.0.1
  • affected 18.4.3
  • affected 18.4.302
  • affected 18.4.303
  • affected 18.4.4
  • affected 18.4.5
  • affected 18.4.6
  • affected 19.1.0
  • affected 19.2.0
  • affected 19.2.097
  • affected 19.2.099
  • affected 19.2.1
  • affected 19.2.2
  • affected 19.2.3
  • affected 19.2.929
  • affected 19.2.31
  • affected 19.2.4
  • affected 19.3.0
  • affected 20.1.1
  • affected 20.1.1.1
  • affected 20.1.11
  • and 51 more

• Cisco · Cisco SD-WAN vManage

  • affected 17.2.6
  • affected 17.2.7
  • affected 17.2.8
  • affected 17.2.9
  • affected 17.2.10
  • affected 17.2.4
  • affected 17.2.5
  • affected 18.3.1.1
  • affected 18.3.3.1
  • affected 18.3.3
  • affected 18.3.4
  • affected 18.3.5
  • affected 18.3.7
  • affected 18.3.8
  • affected 18.3.6.1
  • affected 18.3.1
  • affected 18.3.0
  • affected 18.4.0.1
  • affected 18.4.3
  • affected 18.4.302
  • affected 18.4.303
  • affected 18.4.4
  • affected 18.4.5
  • affected 18.4.0
  • affected 18.4.1
  • affected 18.4.6
  • affected 19.2.0
  • affected 19.2.097
  • affected 19.2.099
  • affected 19.2.1
  • affected 19.2.2
  • affected 19.2.3
  • affected 19.2.31
  • affected 19.2.929
  • affected 19.2.4
  • affected 20.1.1.1
  • affected 20.1.12
  • affected 20.1.1
  • affected 20.1.2
  • affected 20.1.3
  • and 35 more

• Cisco · Cisco SD-WAN vSmart

  • affected N/A

What to do

Exploitation: The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory.

References (1)

• cisco-sa-sdwan-vman-sc-LRLfu2z (opens in a new tab)x_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2023-20262](https://trackcve.app/badge/CVE-2023-20262.svg)](https://trackcve.app/cve/CVE-2023-20262)

Record last updated 2 Aug 2024, 09:05 UTC.