CVE-2015-7503

Name: CVE-2015-7503
Creator: NVD / NIST
Published: 2017-10-10T16:29:00.48+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.36%

Last modified Jun 17, 2026

CVE-2015-7503 is a vulnerability of currently unknown severity. Zend Framework before 2.4.9, zend-framework/zend-crypt 2.4.x before 2.4.9, and 2.5.x before 2.5.2 allows remote attackers to recover the RSA private key.. EPSS estimates a 1.36% chance of exploitation in the next 30 days.

Description

Zend Framework before 2.4.9, zend-framework/zend-crypt 2.4.x before 2.4.9, and 2.5.x before 2.5.2 allows remote attackers to recover the RSA private key.

Metrics

EPSS Probability

1.36%

68.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-320

Affected Software

Vendor	Product	Versions
Zend	Zend Framework	2.4.0
Zend	Zend Framework	2.4.1
Zend	Zend Framework	2.4.2
Zend	Zend Framework	2.4.3
Zend	Zend Framework	2.4.4
Zend	Zend Framework	2.4.5
Zend	Zend Framework	2.4.6
Zend	Zend Framework	2.4.7
Zend	Zend Framework	2.4.8
Zend	Zend Framework	2.5.0
Zend	Zend Framework	2.5.1

References

https://bugzilla.redhat.com/show_bug.cgi?id=1283137Issue Tracking, Third Party Advisory
https://framework.zend.com/security/advisory/ZF2015-10Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1283137Issue Tracking, Third Party Advisory
https://framework.zend.com/security/advisory/ZF2015-10Vendor Advisory

Timeline

Published: Oct 10, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2015-7503?

Zend Framework before 2.4.9, zend-framework/zend-crypt 2.4.x before 2.4.9, and 2.5.x before 2.5.2 allows remote attackers to recover the RSA private key.

How severe is CVE-2015-7503?

Severity scoring for CVE-2015-7503 is pending analysis. The EPSS model estimates a 1.36% probability of exploitation in the next 30 days.

How do I fix CVE-2015-7503?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2015-7503?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST