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Fencer Intel
high 8.8

CVE-2015-6541 json

Multiple cross-site request forgery (CSRF) vulnerabilities in the Mail interface in Zimbra Collaboration Server (ZCS) before 8.5 allow remo…

published 2016-04-08 10 y ago modified 2026-06-17 4 mo ago also EUVD-2015-6480

cvss
8.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.9%
EPSS 2.9% chance of exploitation in 30 days, percentile 86%
public exploits
1
Exploit-DB

Summary

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.

Timeline

  1. First public exploit (EDB-39500)
  2. Published

Exploit prediction

2.87% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-39500 Zimbra 8.0.9 GA - Cross-Site Request Forgery webapps, 2016-02-26

CVSS scores

assigned by version score vector
NVD 3.0 8.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-352 Cross-Site Request Forgery

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.