What is CVE-2011-4343?

CVE-2011-4343 is a high-severity vulnerability in Apache Myfaces, classified under Information Disclosure. CVSS score: 7.5/10. Published 2017-08-08.

How severe is CVE-2011-4343?

High severity. CVSS v3 base score is 7.5 out of 10.

Information disclosure in Apache Myfaces

CVE-2011-4343

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.

Vulnerability class: Information Disclosure

Published 2017-08-08 · last modified 2026-06-16.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.053 (92.4th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 92.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.053 · newest: 0.053 · change: 0.000

Affected products

Apache Myfaces — versions 2.0.1, 2.0.2, 2.0.3

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

marc.info/ (mailing-list, Third Party Advisory)
issues.apache.org/jira/secure/attachment/12504807/MYFACES-3405-1.patch (Patch, Vendor Advisory)
www.securitytracker.com/id/1039695 (vdb-entry)

Frequently asked questions

What is CVE-2011-4343?: CVE-2011-4343 is a high-severity vulnerability in Apache Myfaces, classified under Information Disclosure. CVSS score: 7.5/10. Published 2017-08-08.
How severe is CVE-2011-4343?: High severity. CVSS v3 base score is 7.5 out of 10.