CVE-2025-53379

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Summary

CVECVE-2025-53379
StatePUBLISHED
Assignerfortinet
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-14 16:16:42 UTC
Updated2026-07-14 16:38:41 UTC
DescriptionA 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.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Problem Types: CWE-125 | CWE-125 Information disclosure

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
3.1CNACVSS7HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:F/RL:O/RC:C

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Fortinet FortiAuthenticator affected 6.6.0 6.6.2 semver Not specified
CNA Fortinet FortiAuthenticator affected 6.5.0 6.5.7 semver Not specified
CNA Fortinet FortiAuthenticator affected 6.4.0 6.4.11 semver Not specified
CNA Fortinet FortiAuthenticator affected 6.3.0 6.3.5 semver Not specified

References

ReferenceSourceLinkTags
fortiguard.fortinet.com/psirt/FG-IR-26-146 [email protected] fortiguard.fortinet.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Additional Advisory Data

Solutions

CNA: Upgrade to FortiAuthenticator version 6.6.3 or above

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