CVE-2021-3131 Information disclosure in n/a

High 7.5 Published Updated

The 1C:Enterprise web server exposes base64 encoded credentials in URL parameters, allowing attackers to intercept and decode sensitive authentication data.

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-2021-3131?

CVE-2021-3131 is a high-severity vulnerability in n/a, published on 13 Jan 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The Web server in 1C:Enterprise 8 before 8.3.17.1851 sends base64 encoded credentials in the creds URL parameter.

Weakness: CWE-326

Which versions are affected by CVE-2021-3131?

It affects 1 product.

Products include 1c 1c\.

How do I fix CVE-2021-3131?

No fix has been published for CVE-2021-3131 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-3131 being exploited?

There is no known exploitation of CVE-2021-3131 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Sources

Also known as GHSA-g9qv-25h9-wcvw.

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