CVE-2021-20480 Server-side request forgery in WebSphere Application Server

What is CVE-2021-20480?

CVE-2021-20480 is a medium-severity server-side request forgery vulnerability in Ibm Websphere Application Server, published on 8 Apr 2021. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

IBM WebSphere Application Server 7.0, 8.0, and 8.5 is vulnerable to server-side request forgery (SSRF). By sending a specially crafted request, a remote authenticated attacker could exploit this vulnerability to obtain sensitive data. IBM X-Force ID: 197502.

Weakness: CWE-918

Which versions are affected by CVE-2021-20480?

It affects 1 product.

Products include Ibm Websphere Application Server.

How do I fix CVE-2021-20480?

No fix has been published for CVE-2021-20480 yet. Limit exposure of the affected software until one is available.

Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.

Is CVE-2021-20480 being exploited?

There is no known exploitation of CVE-2021-20480 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-r8wp-fj58-xqx3.