CVE-2019-4304 Auth bypass in WebSphere Application Server

What is CVE-2019-4304?

CVE-2019-4304 is a medium-severity authentication bypass vulnerability in Ibm Websphere Application Server, published on 30 Sep 2019. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

IBM WebSphere Application Server - Liberty could allow a remote attacker to bypass security restrictions caused by improper session validation. IBM X-Force ID: 160950.

Weakness: CWE-384

Which versions are affected by CVE-2019-4304?

It affects 1 product.

Products include Ibm Websphere Application Server.

How do I fix CVE-2019-4304?

No fix has been published for CVE-2019-4304 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2019-4304 being exploited?

There is no known exploitation of CVE-2019-4304 in the wild and no public exploit code.

Other vulnerabilities in Ibm Websphere Application Server

• CVE-2015-1920 Code injection in n/a Critical 10.0
• CVE-2013-0462 Other in n/a Critical 10.0
• CVE-2011-1377 Security feature bypass in n/a Critical 10.0
• CVE-2010-3186 Other in n/a Critical 10.0
• CVE-2009-1899 Information disclosure in n/a Critical 10.0

All Ibm Websphere Application Server vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-455v-6vfw-6xvm.