No exploitation reportedFix available

CVE-2021-22125

Q: Is CVE-2021-22125 actively exploited?

Active exploitation of CVE-2021-22125 has not been confirmed. Its EPSS score was 1.4% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2021-22125?

CVE-2021-22125 has a CVSS v3 base score of 7.2 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

No exploitation reported by the sources we read.

Published2021-07-20
Fixed in3.2.2
WeaknessCWE-78

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

An instance of improper neutralization of special elements in the sniffer module of FortiSandbox before 3.2.2 may allow an authenticated administrator to execute commands on the underlying system's shell via altering the content of its configuration file.

Timeline

dates in UTC

2021-07-2011:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2021-22125?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2021-22125?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Fortinet fortisandbox

Branch	Affected	Fixed in	Source
3.2	< 3.2.2	3.2.2	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Fortinet fortisandbox to 3.2.2

Advisories and patches

fortiguard.comVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CISA-ADPSSVC decisionnone2024-10-23
OpenCVESSVC decisionnone—
CNACVSS 3.16.3read 2026-10-23
NVDCVSS 3.17.2read 2026-10-23
NVDCVSS 2.09read 2026-10-23
NVDweakness (CWE)CWE-78read 2026-10-23
FIRST EPSSEPSS score1.4 %2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Published: 2021-07-20
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2021-22125?

Is CVE-2021-22125 actively exploited?

Active exploitation of CVE-2021-22125 has not been confirmed. Its EPSS score was 1.4% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-22125?

CVE-2021-22125 has a CVSS v3 base score of 7.2 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

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