VIR Vulnerability Intelligence Relay

CVE-2015-1555

critical
Published 2017-08-07 · Modified 2026-05-13
💬 Discuss on Community ✚ Propose mitigation
CVSS v3
9.1
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS v4 NEW
—
not yet in upstream
VIR risk
9.1

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.

Predictions

Exploit likelihood
94%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Application impact
VendorProductVersionsFixed
zendzend_framework2.2.0
zendzend_framework2.2.1
zendzend_framework2.2.2
zendzend_framework2.2.3
zendzend_framework2.2.4
zendzend_framework2.2.5
zendzend_framework2.2.6
zendzend_framework2.2.7
zendzend_framework2.2.8
zendzend_framework2.3.0
zendzend_framework2.3.1
zendzend_framework2.3.2
zendzend_framework2.3.3

References

CWEs

CWE-20

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.