CVE-2015-6541

high

Published 2016-04-08 · Modified 2026-05-06

💬 Discuss on Community ✚ Propose mitigation

CVSS v3

8.8

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v4 NEW

—

not yet in upstream

VIR risk

9.8

Description

Multiple cross-site request forgery (CSRF) vulnerabilities in the Mail interface in Zimbra Collaboration Server (ZCS) before 8.5 allow remote attackers to hijack the authentication of arbitrary users for requests that change account preferences via a SOAP request to service/soap/BatchRequest.

Predictions

Exploit likelihood

92%

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.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Exploit-DB

EDB-39500 webapps linux

Sysdream · 2016-02-26

Zimbra 8.0.9 GA - Cross-Site Request Forgery

Source code queued for fetch — refresh in a moment.

Application impact

Vendor	Product	Versions	Fixed
zimbra	zimbra_collaboration_server	`{"endIncluding":"8.0.9"}`

References

CWEs

CWE-352

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

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