CVE-2011-4343 Apache MyFaces Vulnerable to EL Injection

What is CVE-2011-4343?

CVE-2011-4343 is a high-severity code injection vulnerability in n/a, published on 8 Aug 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Information disclosure vulnerability in Apache MyFaces Core 2.0.1 through 2.0.10 and 2.1.0 through 2.1.4 allows remote attackers to inject EL expressions via crafted parameters.

Weakness: CWE-200

Which versions are affected by CVE-2011-4343?

4 open source packages ship an affected version, including org.apache.myfaces.core:myfaces-core-module. It affects 1 product.

Products include Apache Myfaces.

How do I fix CVE-2011-4343?

Upgrade org.apache.myfaces.core:myfaces-core-module to a fixed version for your release line: 2.0.11 or 2.1.5.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2011-4343 being exploited?

There is no known exploitation of CVE-2011-4343 in the wild and no public exploit code.

Other vulnerabilities in n/a

• CVE-2021-26296 Cross-Site Request Forgery (CSRF) vulnerability in Apache MyFaces High 7.5
• CVE-2011-4367 Apache MyFaces Vulnerable to Path Traversal Medium 5.0
• CVE-2010-2057 Improper Authentication in Apache MyFaces Medium 5.0
• CVE-2010-2086 Apache MyFaces Cross-site Scripting vulnerability Medium 4.0

Sources

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

Also known as CVE-2011-4359, GHSA-jq6g-p65r-44xr.