CVE-2015-2079 Code injection in Usermin

Critical 9.9 Published Updated

Remote attackers can execute arbitrary code on Usermin servers due to unsafe Perl open usage in the configuration save script.

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-2015-2079?

CVE-2015-2079 is a critical code injection vulnerability in Usermin, published on 28 Apr 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Usermin 0.980 through 1.x before 1.660 allows uconfig_save.cgi sig_file_free remote code execution because it uses the two argument (not three argument) form of Perl open.

Weakness: CWE-94, CWE-96

Which versions are affected by CVE-2015-2079?

It affects 1 product.

Products include Webmin Usermin.

How do I fix CVE-2015-2079?

No fix has been published for CVE-2015-2079 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-2015-2079 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2015-2079 exists.

Sources

Also known as GHSA-9wfx-p9gg-hp4f.

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