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CVE-2011-2201

27
FAUCET Score

CVE-2011-2201 describes a security bypass vulnerability in Data::FormValidator module 4.66 and earlier for Perl, specifically when the untaint_all_constraints option is enabled, affecting various Perl distributions. This medium-severity vulnerability (CVSS 4.3) allows remote attackers to bypass Perl's taint protection mechanism through crafted form input, potentially leading to information disclosure (C:P). While there is no evidence of active exploitation or Metasploit/Nuclei modules, an ExploitDB entry (EDB-35836) exists, indicating public exploit code for a 'results()' security bypass. Community discussion and media coverage for this CVE are minimal.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.66CPE matchmatch criteria
cpe:2.3:a:mark_stosberg:data\:\:formvalidator:*:*:*:*:*:*:*:*
1.3CPE matchmatch criteria
cpe:2.3:a:mark_stosberg:data\:\:formvalidator:1.3:*:*:*:*:*:*:*
1.4CPE matchmatch criteria
cpe:2.3:a:mark_stosberg:data\:\:formvalidator:1.4:*:*:*:*:*:*:*
1.5CPE matchmatch criteria
cpe:2.3:a:mark_stosberg:data\:\:formvalidator:1.5:*:*:*:*:*:*:*
1.5.1CPE matchmatch criteria
cpe:2.3:a:mark_stosberg:data\:\:formvalidator:1.5.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

AV:N/AC:M/Au:N/C:P/I:N/A:N

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
6.90%
Probability of exploitation in next 30 days
EPSS Percentile
93.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
ExploitDB: EDB-35836 · Jun 8, 2011
This CVE's current EPSS score of 0.0690 is in the 92nd percentile among its peer group of 19,953 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (2)

fedorapatch availablevia nvd_reference
View patch
redhatpatch availablevia nvd_reference
View patch

References

bugs.debian.org / cgi-bin/bugreport.cgi
ExploitPatch
lists.fedoraproject.org / pipermail/package-announce/2011-September/065416.html
ExploitPatch
bugzilla.redhat.com / show_bug.cgi
ExploitPatch
rt.cpan.org / Public/Bug/Display.html
Exploit
openwall.com / lists/oss-security/2011/06/12/3
ExploitPatch
openwall.com / lists/oss-security/2011/06/13/13
ExploitPatch
openwall.com / lists/oss-security/2011/06/13/5
securityfocus.com / bid/48167
Exploit