Improper input validation in Zend Zend_framework

CVE-2015-1555

Zend/Session/SessionManager in Zend Framework 2.2.x before 2.2.9, 2.3.x before 2.3.4 allows remote attackers to create valid sessions without using session validators.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.003 (52.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2015-1555?
CVE-2015-1555 is a critical-severity vulnerability in Zend Zend_framework, classified under Improper Input Validation. CVSS score: 9.1/10. Published 2017-08-07.
How severe is CVE-2015-1555?
Critical severity. CVSS v3 base score is 9.1 out of 10.