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CVE-2011-4343

27
FAUCET Score

CVE-2011-4343 is an information disclosure vulnerability affecting Apache MyFaces Core versions 2.0.1 through 2.0.10 and 2.1.0 through 2.1.4. Remote attackers can exploit this flaw by injecting Expression Language (EL) expressions through crafted parameters. With a CVSS score of 7.5 (High), this vulnerability presents a significant risk for confidentiality, requiring no user interaction or complex attack conditions. While no active exploits, public exploit code, or significant community discussion have been identified, organizations using affected MyFaces versions should still prioritize patching to mitigate potential data exposure.

Impacted Technologies

VendorProductVersion(s)CPE
2.0.1CPE matchmatch criteria
cpe:2.3:a:apache:myfaces:2.0.1:*:*:*:*:*:*:*
2.0.2CPE matchmatch criteria
cpe:2.3:a:apache:myfaces:2.0.2:*:*:*:*:*:*:*
2.0.3CPE matchmatch criteria
cpe:2.3:a:apache:myfaces:2.0.3:*:*:*:*:*:*:*
2.0.4CPE matchmatch criteria
cpe:2.3:a:apache:myfaces:2.0.4:*:*:*:*:*:*:*
2.0.5CPE matchmatch criteria
cpe:2.3:a:apache:myfaces:2.0.5:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
5.33%
Probability of exploitation in next 30 days
EPSS Percentile
91.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0533 is in the 86th percentile among its peer group of 51,466 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

mavenpatch availablevia ghsa
Product: org.apache.myfaces.core:myfaces-core-moduleFixed in: 2.0.11
mavenpatch availablevia ghsa
Product: org.apache.myfaces.core:myfaces-core-moduleFixed in: 2.1.5

Vendor Advisories (2)

mavenGHSA-jq6g-p65r-44xrhigh

Apache MyFaces Vulnerable to EL Injection

May 17, 2022
redhatCVE-2011-4343Important

2: EL injection, includeViewParameters re-evaluates param/model values as EL expressions

Nov 22, 2011

References

marc.info
Third Party Advisory
issues.apache.org / jira/secure/attachment/12504807/MYFACES-3405-1.patch
PatchVendor Advisory
securitytracker.com / id/1039695