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Fencer Vulns
medium 5.9

CVE-2017-14191 json

An Improper Access Control vulnerability in Fortinet FortiWeb 5.6.0 up to but not including 6.1.0 under "Signed Security Mode", allows atta…

published 2018-03-20 8 y ago modified 2026-06-17 4 mo ago also EUVD-2017-5701

cvss
5.9
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 61%
public exploits
0
none known

Summary

An Improper Access Control vulnerability in Fortinet FortiWeb 5.6.0 up to but not including 6.1.0 under "Signed Security Mode", allows attacker to bypass the signed user cookie protection by removing the FortiWeb own protection session cookie.

Patch / fix

  • fortinet fortiweb 6.1.0

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.95% chance of exploitation in the next 30 days, higher than 61% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 5.9 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected products

  • Fortinet, Inc. FortiWeb

Classification

Technology feeds

References

Sources

Fencer Vulns 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.