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CVE-2021-32589

A Use After Free (CWE-416) vulnerability in FortiManager version 7.0.0, version 6.4.5 and below, version 6.2.…

Severity
Critical9.8CVSS 3.1, Critical
EPSS
9%
Published
19 Dec 2024
Updated
17 Jun 2026

Description

Title, description and vendor guidance are quoted from the source records.

A Use After Free (CWE-416) vulnerability in FortiManager version 7.0.0, version 6.4.5 and below, version 6.2.7 and below, version 6.0.10 and below, version 5.6.10 and below, version 5.4.7 and below, version 5.2.10 and below, version 5.0.12 and below and FortiAnalyzer version 7.0.0, version 6.4.5 and below, version 6.2.7 and below, version 6.0.10 and below, version 5.6.10 and below, version 5.4.7 and below, version 5.3.11, version 5.2.10 to 5.2.4 fgfmsd daemon may allow a remote, non-authenticated attacker to execute unauthorized code as root via sending a specifically crafted request to the fgfm port of the targeted device.

Weakness: CWE-416

Known exploited

Not listed in CISA KEV as of the last check.

Exploit prediction

9% probability of exploitation in the next 30 days (percentile 95%).

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

What the source states, per branch

Versions matched by Patcharo

Fortinet FortiManagerSource: Fortinet (CVE record)

BranchAffectedFixed in
7.0
Exact releases: 7.0.0
6.4
6.4.0 – 6.4.5
Fixed after 6.4.5
6.2
6.2.0 – 6.2.7
Fixed after 6.2.7
6.0
6.0.0 – 6.0.10
Fixed after 6.0.10
5.6
5.6.0 – 5.6.10
Fixed after 5.6.10
5.4
5.4.0 – 5.4.7
Fixed after 5.4.7
5.2
5.2.0 – 5.2.10
Fixed after 5.2.10
5.0
5.0.0 – 5.0.12
Fixed after 5.0.12

Versions not listed are stated unaffected by the vendor.

Fortinet FortiAnalyzerSource: Fortinet (CVE record)

BranchAffectedFixed in
7.0
Exact releases: 7.0.0
6.4
6.4.0 – 6.4.5
Fixed after 6.4.5
6.2
6.2.0 – 6.2.7
Fixed after 6.2.7
6.0
6.0.0 – 6.0.10
Fixed after 6.0.10
5.6
5.6.0 – 5.6.10
Fixed after 5.6.10
5.4
5.4.0 – 5.4.7
Fixed after 5.4.7
5.3
Exact releases: 5.3.11
5.2
5.2.4 – 5.2.10
Fixed after 5.2.10

Versions not listed are stated unaffected by the vendor.

Workaround / Vendor remediation

Vendor remediation · FortiManager

Please upgrade to FortiPortal version 6.0.6 or above Please upgrade to FortiPortal version 5.3.7 or above Please upgrade to FortiManager version 7.0.1 or above Please upgrade to FortiManager version 6.4.6 or above Please upgrade to FortiManager version 6.2.8 or above Please upgrade to FortiManager version 6.0.11 or above Please upgrade to FortiManager version 5.6.11 or above Please upgrade to FortiAnalyzer version 7.0.1 or above Please upgrade to FortiAnalyzer version 6.4.6 or above Please upgrade to FortiAnalyzer version 6.2.8 or above Please upgrade to FortiAnalyzer version 6.0.11 or above Please upgrade to FortiAnalyzer version 5.6.11 or above

Vendor remediation · FortiAnalyzer

Please upgrade to FortiPortal version 6.0.6 or above Please upgrade to FortiPortal version 5.3.7 or above Please upgrade to FortiManager version 7.0.1 or above Please upgrade to FortiManager version 6.4.6 or above Please upgrade to FortiManager version 6.2.8 or above Please upgrade to FortiManager version 6.0.11 or above Please upgrade to FortiManager version 5.6.11 or above Please upgrade to FortiAnalyzer version 7.0.1 or above Please upgrade to FortiAnalyzer version 6.4.6 or above Please upgrade to FortiAnalyzer version 6.2.8 or above Please upgrade to FortiAnalyzer version 6.0.11 or above Please upgrade to FortiAnalyzer version 5.6.11 or above

References

Provenance

Every fact on this page comes from the sources below. Nothing is written by an AI.

Fortinet (CVE record)
Fortinet (CVE record) · 27 Sept 2026, 23:46 UTC · Parser patcharo-cve5/1.1.0
NVD
NVD · 27 Sept 2026, 23:44 UTC · Parser patcharo-nvd/1.0.0
FIRST EPSS
FIRST EPSS · 27 Sept 2026, 23:46 UTC · Parser patcharo-epss/1.0.0

Last verified: 28 Sept 2026, 02:31 UTC