CVE-2015-1555

CRITICAL

Zend Framework 2.2.x-2.2.9 and 2.3.x-2.3.4 - Session Validation Bypass

Title source: llm
STIX 2.1

Description

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.

References (1)

Core 1
Core References
Vendor Advisory x_refsource_confirm
http://framework.zend.com/security/advisory/ZF2015-01

Scores

CVSS v3 9.1
EPSS 0.0139
EPSS Percentile 69.1%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Details

CWE
CWE-20
Status published
Products (13)
zend/zend_framework 2.2.0
zend/zend_framework 2.2.1
zend/zend_framework 2.2.2
zend/zend_framework 2.2.3
zend/zend_framework 2.2.4
zend/zend_framework 2.2.5
zend/zend_framework 2.2.6
zend/zend_framework 2.2.7
zend/zend_framework 2.2.8
zend/zend_framework 2.3.0
... and 3 more
Published Aug 07, 2017
Tracked Since Feb 18, 2026