CVE-2020-4534 Privilege escalation in WebSphere Application Server

What is CVE-2020-4534?

CVE-2020-4534 is a high-severity vulnerability in Ibm Websphere Application Server, published on 3 Aug 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 could allow a local authenticated attacker to gain elevated privileges on the system, caused by improper handling of UNC paths. By scheduling a task with a specially-crafted UNC path, an attacker could exploit this vulnerability to execute arbitrary code with higher privileges. IBM X-Force ID: 182808.

Which versions are affected by CVE-2020-4534?

It affects 1 product.

Products include Ibm Websphere Application Server.

How do I fix CVE-2020-4534?

No fix has been published for CVE-2020-4534 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-4534 being exploited?

There is no known exploitation of CVE-2020-4534 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-69gj-p4vx-w4jg.