CVE-2018-1840 Privilege escalation in WebSphere Application Server

What is CVE-2018-1840?

CVE-2018-1840 is a medium-severity vulnerability in Ibm Websphere Application Server, published on 3 Dec 2018. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

IBM WebSphere Application Server 8.5 and 9.0 could allow a remote attacker to gain elevated privileges on the system, caused when a security domain is configured to use a federated repository other than global federated repository and then migrated to a newer release of WebSphere Application Server. IBM X-Force ID: 150813.

Weakness: CWE-668

Which versions are affected by CVE-2018-1840?

It affects 1 product.

Products include Ibm Websphere Application Server.

How do I fix CVE-2018-1840?

No fix has been published for CVE-2018-1840 yet. Limit exposure of the affected software until one is available.

Is CVE-2018-1840 being exploited?

There is no known exploitation of CVE-2018-1840 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-7h78-rcqp-p8wh.