CVE-2020-25200 Information disclosure in n/a

Medium 5.3 Published Updated

Attackers can enumerate valid VPN usernames by observing distinct HTTP error codes after repeated login attempts, potentially aiding targeted attacks.

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-2020-25200?

CVE-2020-25200 is a medium-severity vulnerability in n/a, published on 1 Oct 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Pritunl 1.29.2145.25 allows attackers to enumerate valid VPN usernames via a series of /auth/session login attempts. Initially, the server will return error 401. However, if the username is valid, then after 20 login attempts, the server will start responding with error 400. Invalid usernames will receive error 401 indefinitely. Note: This has been disputed by the vendor as not a vulnerability. They argue that this is an intended design

Weakness: CWE-203

Which versions are affected by CVE-2020-25200?

It affects 1 product.

Products include Pritunl Pritunl.

How do I fix CVE-2020-25200?

No fix has been published for CVE-2020-25200 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-25200 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-25200 exists.

Public exploit code: 1 Nuclei template and 1 proofs of concept on GitHub.

Sources

Also known as GHSA-9gwc-9rcr-pxmc.

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