CVE-2021-1261 Cisco SD-WAN Command Injection Vulnerabilities
Authenticated attackers can execute arbitrary commands with root privileges on Cisco SD-WAN devices via command injection vulnerabilities.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-1261?
CVE-2021-1261 is a high-severity command injection vulnerability in Cisco Catalyst Sd-Wan Manager, published on 20 Jan 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Multiple vulnerabilities in Cisco SD-WAN products could allow an authenticated attacker to perform command injection attacks against an affected device, which could allow the attacker to take certain actions with root privileges on the device. For more information about these vulnerabilities, see the Details section of this advisory.
Which versions are affected by CVE-2021-1261?
It affects 4 products.
Products include Cisco Catalyst Sd-Wan Manager, Cisco Sd-Wan Firmware, Cisco Sd-Wan Vbond Orchestrator, Cisco Sd-Wan Vsmart Controller Firmware.
How do I fix CVE-2021-1261?
No fix has been published for CVE-2021-1261 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2021-1261 being exploited?
There is no known exploitation of CVE-2021-1261 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-fchc-r69w-44gq.