CVE-2021-29842 Information disclosure in WebSphere Application Server

Low 3.7 Published Updated

Remote attackers can enumerate valid usernames by observing response differences during login attempts on IBM WebSphere Application 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-2021-29842?

CVE-2021-29842 is a low-severity vulnerability in Ibm Websphere Application Server, published on 16 Sep 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

IBM WebSphere Application Server 7.0, 8.0, 8.5, 9.0 and Liberty 17.0.0.3 through 21.0.0.9 could allow a remote user to enumerate usernames due to a difference of responses from valid and invalid login attempts. IBM X-Force ID: 205202.

Weakness: CWE-307

Which versions are affected by CVE-2021-29842?

It affects 1 product.

Products include Ibm Websphere Application Server.

How do I fix CVE-2021-29842?

No fix has been published for CVE-2021-29842 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-29842 being exploited?

There is no known exploitation of CVE-2021-29842 in the wild and no public exploit code.

All Ibm Websphere Application Server vulnerabilities

Sources

Also known as GHSA-pjp7-6p5m-9x45.

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