CVE-2025-53379

highpriority · track · 0EPSS 0.005 · 45 %ileEUNLUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.53% (45th) EPSS

CVSS 7 · high

Is it mine?

7 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · ncsc_nl · nvd

EPSS · scored 2026-10-27

A out-of-bounds read vulnerability in Fortinet FortiAuthenticator 6.6.0 through 6.6.2, FortiAuthenticator 6.5 all versions may allow a remote unauthenticated attacker to retrieve sensitive information via a specially crafted request.

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.5

v3.17highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:F/RL:O/RC:Csecondary · ENISA EU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nsecondary · psirt@fortinet.comexploitability 3.9 · impact 3.6

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nsecondary · NCSC-NL NL

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-125USprimaryCWE-125US

affected products (7)

Products and version ranges known to be affected.

Fortinet FortiAuthenticator≤ 6.6.0 ≤6.6.2enisa_euvdEU
Fortinet FortiAuthenticator≤ 6.4.0 ≤6.4.11enisa_euvdEU
Fortinet FortiAuthenticator≤ 6.5.0 ≤6.5.7enisa_euvdEU
Fortinet FortiAuthenticator≤ 6.3.0 ≤6.3.5enisa_euvdEU
Fortinet FortiAuthenticator≤ vers:unknown/*ncsc_nlNL
fortinet fortiauthenticator6.5.0 → 6.5.7nvdUScpe:2.3:a:fortinet:fortiauthenticator:*:*:*:*:*:*:*:*
fortinet fortiauthenticator6.6.0 → 6.6.2nvdUScpe:2.3:a:fortinet:fortiauthenticator:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

NCSC-2026-0244Kwetsbaarheid verholpen in Fortinet FortiAuthenticatorNL2026-07-17csaf · ncsc_nlNL
Fortinet heeft een kwetsbaarheid verholpen in FortiAuthenticator.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd ncsc_nl nvd NVD CVE.org MITRE

published 2026-07-14modified 2026-07-15

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+11870 more

references (3)

External citations — patches, advisories, analysis.

scry

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