CVE-2021-20026 Command injection in SonicWall NSM On-Prem
An authenticated attacker can execute arbitrary OS commands on SonicWall NSM On-Prem via crafted HTTP requests.
- 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-2021-20026?
CVE-2021-20026 is a high-severity command injection vulnerability in SonicWall NSM On-Prem, published on 27 May 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability in the SonicWall NSM On-Prem product allows an authenticated attacker to perform OS command injection using a crafted HTTP request. This vulnerability affects NSM On-Prem 2.2.0-R10 and earlier versions.
Weakness: CWE-78
Which versions are affected by CVE-2021-20026?
It affects 1 product.
Products include Sonicwall Network Security Manager.
How do I fix CVE-2021-20026?
No fix has been published for CVE-2021-20026 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-2021-20026 being exploited?
There is no known exploitation of CVE-2021-20026 in the wild and no public exploit code.
Sources
Also known as GHSA-24h9-xh6m-x5jf.