CVE-2023-20253 Missing authorization in Cisco SD-WAN vManage
An authenticated local attacker with low privileges can bypass authorization to roll back configurations on managed controllers and edge routers.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-20253?
CVE-2023-20253 is a high-severity missing authorization vulnerability in Cisco Catalyst Sd-Wan Manager, published on 27 Sep 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability in the command line interface (cli) management interface of Cisco SD-WAN vManage could allow an authenticated, local attacker to bypass authorization and allow the attacker to roll back the configuration on vManage controllers and edge router device. This vulnerability is due to improper access control in the cli-management interface of an affected system. An attacker with low-privilege (read only) access to the cli could exploit this vulnerability by sending a request to roll back the configuration on for other controller and devices managed by an affected system. A successful exploit could allow the attacker to to roll back the configuration on for other controller and devices managed by an affected system.
Weakness: CWE-286
Which versions are affected by CVE-2023-20253?
It affects 2 products.
Products include Cisco Catalyst Sd-Wan Manager, Cisco Sd-Wan Vmanage.
How do I fix CVE-2023-20253?
No fix has been published for CVE-2023-20253 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2023-20253 being exploited?
There is no known exploitation of CVE-2023-20253 in the wild and no public exploit code.
Other vulnerabilities in Cisco Catalyst Sd-Wan Manager
- CVE-2026-20182 Cisco Catalyst SD-WAN Controller Authentication Bypass
- CVE-2026-20127 Cisco Catalyst SD-WAN Controller and Manager Authentication Bypass
- CVE-2026-76504 Cisco Catalyst SD-WAN Manager Hex Encoding
- CVE-2026-20245 Cisco Catalyst SD-WAN Manager Improper Encoding or Escaping of Output
- CVE-2022-20775 Cisco SD-WAN Path Traversal
Sources
Also known as GHSA-p5q8-553c-rh75.