How severe is CVE-2011-1939?

CVE-2011-1939 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2011-1939 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-1939?

CVE-2011-1939 primarily affects Zend Zend Framework. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-1939?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2011-1939 published?

CVE-2011-1939 was published on 2019-11-26 and last updated on 2026-06-16.

CVE-2011-1939

CVE-2011-1939 is a critical-severity vulnerability in Zend Zend Framework with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-89.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Zend Zend Framework
Published: 2019-11-26
Last modified: 2026-06-16

Description

SQL injection vulnerability in Zend Framework 1.10.x before 1.10.9 and 1.11.x before 1.11.6 when using non-ASCII-compatible encodings in conjunction PDO_MySql in PHP before 5.3.6.

Frequently asked questions

What is CVE-2011-1939?: SQL injection vulnerability in Zend Framework 1.10.x before 1.10.9 and 1.11.x before 1.11.6 when using non-ASCII-compatible encodings in conjunction PDO_MySql in PHP before 5.3.6.
How severe is CVE-2011-1939?: CVE-2011-1939 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2011-1939 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-1939?: CVE-2011-1939 primarily affects Zend Zend Framework. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-1939?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2011-1939 published?: CVE-2011-1939 was published on 2019-11-26 and last updated on 2026-06-16.

References

Affected products (3)

cpe:2.3:a:zend:zend_framework:*:*:*:*:*:*:*:*
cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

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CVE-2025-10878 — Critical (CVSS 10.0): A SQL injection vulnerability exists in the login functionality of Fikir Odalari AdminPando 1.0.1 before 2026-01-26.…
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Threat intelligence

Threat-intel indicators referencing this CVE:

221.161.235.168 (ipv4-addr)
187.141.71.166 (ipv4-addr)
103.20.122.54 (ipv4-addr)
82.199.197.245 (ipv4-addr)
58.221.244.34 (ipv4-addr)
222.99.52.202 (ipv4-addr)
220.88.220.59 (ipv4-addr)
211.253.10.61 (ipv4-addr)