CVE-2021-40889 Code injection in n/a
Attackers can inject malicious PHP code into password files via the password change function, leading to remote code execution on the server.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-40889?
CVE-2021-40889 is a critical code injection vulnerability in n/a, published on 11 Oct 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
CMSUno version 1.7.2 is affected by a PHP code execution vulnerability. sauvePass action in {webroot}/uno/central.php file calls to file_put_contents() function to write username in password.php file when a user successfully changed their password. The attacker can inject malicious PHP code into password.php and then use the login function to execute code.
Weakness: CWE-94
Which versions are affected by CVE-2021-40889?
It affects 1 product.
Products include Cmsuno Project Cmsuno.
How do I fix CVE-2021-40889?
No fix has been published for CVE-2021-40889 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2021-40889 being exploited?
There is no known exploitation of CVE-2021-40889 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-hcrw-87mg-3f84.