Denial of Service Vulnerability in Cisco Catalyst SD-WAN Manager's SSH Service
CVE-2023-20262

7.5HIGH

Key Information:

Vendor

Cisco
Status
Cisco SD-WAN Solution
Cisco SD-WAN vManage
Cisco SD-WAN vSmart
Vendor
CVE Published:
27 September 2023

What is CVE-2023-20262?

A vulnerability exists in the SSH service of Cisco Catalyst SD-WAN Manager that allows unauthenticated remote attackers to exploit insufficient resource management. By sending specially crafted malicious traffic, an attacker can cause the SSH process to crash, leading to a denial of service for SSH access. However, this issue does not impact the overall functionality of the system or the web UI access. Proper mitigation strategies should be implemented to safeguard against potential exploits.

Affected Version(s)

Cisco SD-WAN Solution 17.2.4

Cisco SD-WAN Solution 17.2.5

Cisco SD-WAN Solution 17.2.6

References

https://sec.cloudapps.cisco.com/security/center/content/C...

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2023-20262 : Denial of Service Vulnerability in Cisco Catalyst SD-WAN Manager's SSH Service