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CVE-2017-14191

MEDIUM · CVSS 5.9EPSS 1.0%EU EUVD

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.

Key facts

CVSS score
5.9 (v3.0)
Severity
MEDIUM
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS score
1.0% (61th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2017-5701)
Published
March 20, 2018
NVD last modified
June 17, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2017-5701 in the EU Vulnerability Database. Last updated in EUVD on October 25, 2024.

View on the EU Vulnerability Database

Affected products

  • fortinet / fortiweb

Certified products that may be affected

3 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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CVE-2017-14191: MEDIUM severity (CVSS 5.9)