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Fencer Intel
high 8.8

CVE-2018-6563 json

Multiple cross-site request forgery (CSRF) vulnerabilities in totemomail Encryption Gateway before 6.0.0_Build_371 allow remote attackers t…

published 2018-06-20 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-18313

cvss
8.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.3%
EPSS 2.3% chance of exploitation in 30 days, percentile 83%
public exploits
1
Exploit-DB

Summary

Multiple cross-site request forgery (CSRF) vulnerabilities in totemomail Encryption Gateway before 6.0.0_Build_371 allow remote attackers to hijack the authentication of users for requests that (1) change user settings, (2) send emails, or (3) change contact information by leveraging lack of an anti-CSRF token.

Timeline

  1. First public exploit (EDB-44631)
  2. Published

Exploit prediction

2.26% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-44631 totemomail Encryption Gateway 6.0.0 Build 371 - Cross-Site Request Forgery webapps, 2018-05-16
  • packetstormsecurity.com http://packetstormsecurity.com/files/147648/Totemomail-Encryption-Gateway-6.0.0_Build_371-Cross-Site-Request-Forgery.html referenced PoC, tagged "exploit" by a source, unverified
  • compass-security.com https://www.compass-security.com/fileadmin/Datein/Research/Advisories/CSNC-2018-003_totemo_csrf.txt referenced PoC, tagged "exploit" by a source, unverified

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.