CVE-2020-21865 Code injection in n/a

Critical 9.8 Published Updated

Attackers can execute arbitrary code remotely via the captcha component in ThinkPHP50-CMS, requiring immediate patching.

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-2020-21865?

CVE-2020-21865 is a critical code injection vulnerability in n/a, published on 7 Oct 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

ThinkPHP50-CMS v1.0 contains a remote code execution (RCE) vulnerability in the component /public/?s=captcha.

Which versions are affected by CVE-2020-21865?

It affects 1 product.

Products include Thinkphp50-Cms Project Thinkphp50-Cms.

How do I fix CVE-2020-21865?

No fix has been published for CVE-2020-21865 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-2020-21865 being exploited?

There is no known exploitation of CVE-2020-21865 in the wild and no public exploit code.

Sources

Also known as GHSA-8cp7-v92x-5x89.

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