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CVE-2011-1939

43
FAUCET Score

CVE-2011-1939 describes a critical SQL injection vulnerability in Zend Framework versions 1.10.x before 1.10.9 and 1.11.x before 1.11.6. This flaw specifically impacts systems using non-ASCII-compatible encodings with PDO_MySql in PHP versions prior to 5.3.6, affecting various Debian and PHP distributions. With a CVSS score of 9.8 (CRITICAL), this vulnerability allows an unauthenticated attacker to execute arbitrary SQL commands, potentially leading to full compromise of confidentiality, integrity, and availability. While not listed on CISA's KEV catalog, an exploit for a security bypass related to PDO_MySql in Zend Framework 1.11.4 is available on ExploitDB, though there is no evidence of widespread active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
>= 1.10.0, < 1.10.9CPE matchmatch criteria
cpe:2.3:a:zend:zend_framework:*:*:*:*:*:*:*:*
>= 1.11.0, < 1.11.6CPE matchmatch criteria
cpe:2.3:a:zend:zend_framework:*:*:*:*:*:*:*:*
< 5.3.6CPE matchmatch criteria
cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
3.86%
Probability of exploitation in next 30 days
EPSS Percentile
89.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
ExploitDB: EDB-35784 · May 19, 2011
This CVE's current EPSS score of 0.0386 is in the 82nd percentile among its peer group of 36,829 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

access.redhat.com / security/cve/cve-2011-1939
Broken Link
bugs.php.net / bug.php
ExploitThird Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party Advisory
security.gentoo.org / glsa/glsa-201408-01.xml
Third Party Advisory
framework.zend.com / security/advisory/ZF2011-02
Vendor Advisory
security-tracker.debian.org / tracker/CVE-2011-1939
Third Party Advisory
securityfocus.com / bid/47919
Third Party AdvisoryVDB Entry