CVE-2025-54973: A concurrent execution using shared resource with improper synchronization ('Race Condition') vulnerability [C

Routine

MEDIUM 5.3UPGRADE

CVE-2025-54973 is a medium-severity flaw (CVSS 5.3) affecting fortianalyzer. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A concurrent execution using shared resource with improper synchronization ('Race Condition') vulnerability [CWE-362] in Fortinet FortiAnalyzer version 7.6.0 through 7.6.2, 7.4.0 through 7.4.6, 7.2.0 through 7.2.10 and before 7.0.13 allows an attacker to attempt to win a race condition to bypass the FortiCloud SSO authorization via crafted FortiCloud SSO requests.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.3% (top 76%)
CISA exploited list	No
Weakness	CWE-362
Published	2025-10-14
Last modified	2026-10-08

Publisher (CNA): Fortinet, Inc. · Vendor: fortinet

Last updated 2026-10-08 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-10-14 16:15 UTCPublished CVE record published
2026-10-08 11:10 UTCUpdated Record last modified

fortinet fortianalyzer UPGRADE

Affected: >= 7.0.9 and < 7.0.14 · >= 7.2.0 and < 7.2.11 · >= 7.4.0 and < 7.4.7 · >= 7.6.0 and < 7.6.3

Fixed in: 7.0.14, 7.2.11, 7.4.7, 7.6.3

Safe to downgrade to: a release before 7.0.9

1. Check installed version

apt-cache policy fortianalyzer || rpm -q fortianalyzer || fortianalyzer --version

2. UPGRADE to 7.0.14 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade fortianalyzer

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade fortianalyzer

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 7.0.9 (Debian / Ubuntu)

apt-cache madison fortianalyzer sudo apt install fortianalyzer=<VERSION_BEFORE_7.0.9> sudo apt-mark hold fortianalyzer

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list fortianalyzer sudo dnf downgrade fortianalyzer-<VERSION_BEFORE_7.0.9> sudo dnf versionlock add fortianalyzer

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-54973?

fortianalyzer: upgrade to 7.0.14, 7.2.11, 7.4.7, 7.6.3. Exact commands for each OS are on this page.

Is CVE-2025-54973 being exploited?

CVE-2025-54973 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-54973 affect?

CVE-2025-54973 affects fortianalyzer. Severity is medium (CVSS 5.3). A concurrent execution using shared resource with improper synchronization ('Race Condition') vulnerability [CWE-362] in Fortinet FortiAnalyzer version 7.6.0 through 7.6.2, 7.4.0 through 7.4.6, 7.2.0 through 7.2.10 and before 7.0.13 allows

How urgent is CVE-2025-54973?

Priority 25/100. No elevated risk signals yet.

Software pages

Fortinet vulnerabilities

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References

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