Is CVE-2023-26204 actively exploited?

No active exploitation of CVE-2023-26204 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-26204 be exploited remotely?

Yes. CVE-2023-26204 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-26204?

CVE-2023-26204 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2023-26204

CWE-256Published: June 13, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

A plaintext storage of a password vulnerability [CWE-256] in FortiSIEM 6.7 all versions, 6.6 all versions, 6.5 all versions, 6.4 all versions, 6.3 all versions, 6.2 all versions, 6.1 all versions, 5.4 all versions, 5.3 all versions may allow an attacker able to access user DB content to impersonate any admin user on the device GUI.

NVD Source

Technical Analysis

CVE-2023-26204 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.