CVE-2021-32589

Description

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.

CVSS v3.1 Score

8.1

HIGH

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

Weakness Type (CWE)

CWE-416 Use After Free

Affected Products

Vendor	Product	Versions
fortinet	fortianalyzer	5.2.4 — 5.6.11
fortinet	fortianalyzer	6.0.0 — 6.0.11
fortinet	fortianalyzer	6.2.0 — 6.2.8
fortinet	fortianalyzer	6.4.0 — 6.4.6
fortinet	fortianalyzer	All
fortinet	fortimanager	5.0.0 — 5.6.11
fortinet	fortimanager	6.0.0 — 6.0.11
fortinet	fortimanager	6.2.0 — 6.2.8
fortinet	fortimanager	6.4.0 — 6.4.6
fortinet	fortimanager	All
fortinet	fortiportal	4.0.0 — 5.3.7
fortinet	fortiportal	6.0.0 — 6.0.6

References

Advisories & Patches

https://fortiguard.fortinet.com/psirt/FG-IR-21-067

Frequently Asked Questions

What is CVE-2021-32589? +

A Use After Free (CWE-416) vulnerability in FortiManager version 7.0.0, version 6.4.5 and below, version 6.2.7 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. It has a CVSS v3.1 base score of 8.1 (HIGH).

How severe is CVE-2021-32589? +

CVE-2021-32589 has a CVSS v3.1 score of 8.1 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2021-32589? +

CVE-2021-32589 affects products from fortinet, specifically: fortianalyzer, fortimanager, fortiportal. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2021-32589? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2025-24898

rust-openssl is a set of OpenSSL bindings for the Rust programming language. In affected versions `ssl::select_next_proto` can return a slice …

CVE-2025-31115

XZ Utils provide a general-purpose data-compression library plus command-line tools. In XZ Utils 5.3.3alpha to 5.8.0, the multithreaded .xz decoder …

CVE-2025-31498

c-ares is an asynchronous resolver library. From 1.32.3 through 1.34.4, there is a use-after-free in read_answers() when process_answer() may re-enqueue …

CVE-2025-4516

There is an issue in CPython when using `bytes.decode("unicode_escape", error="ignore|replace")`. If you are not using the "unicode_escape" encoding or an …

CVE-2025-5991

There is a "Use After Free" vulnerability in Qt's QHttp2ProtocolHandler in the QtNetwork module. This only affects HTTP/2 handling, HTTP …

CVE-2025-49014

jq is a command-line JSON processor. In version 1.8.0 a heap use after free vulnerability exists within the function f_strflocaltime …