MEDIUM

CVE-2025-24471

Q: What is CVE-2025-24471?

An Improper Certificate Validation vulnerability [CWE-295] in FortiOS version 7.6.1 and below, version 7.4.7 and below may allow an EAP verified remote user to connect from FortiClient via revoked certificate.

Q: Is CVE-2025-24471 actively exploited?

Active exploitation of CVE-2025-24471 has not been confirmed. Its EPSS score was 0.4% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2025-24471?

CVE-2025-24471 has a CVSS v3 base score of 6.5 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

CVSS v3

6.5

MEDIUM

EPSS Score

0.4 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

ICSA-25-135-01 CISA1 known affected
Siemens RUGGEDCOM APE1808 Devices
RUGGEDCOM APE1808
SSA-864900 Siemens ProductCERT1 known affected
SSA-864900: Multiple Vulnerabilities in Fortigate NGFW before V7.6.6 on RUGGEDCOM APE1808 Devices
RUGGEDCOM APE1808 with Fortinet NGFW < V7.4.9

Full record on NVD

Description

An Improper Certificate Validation vulnerability [CWE-295] in FortiOS version 7.6.1 and below, version 7.4.7 and below may allow an EAP verified remote user to connect from FortiClient via revoked certificate.

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Published: 2025-06-10
Last Modified: 2025-07-22

Frequently asked questions

What is CVE-2025-24471?

Is CVE-2025-24471 actively exploited?

Active exploitation of CVE-2025-24471 has not been confirmed. Its EPSS score was 0.4% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2025-24471?

CVE-2025-24471 has a CVSS v3 base score of 6.5 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

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