CVE-2022-39949

EDR protection bypass via forced process termination

Published Nov 2, 2022 · Updated Oct 22, 2024

Improper resource lifetime control in Fortinet FortiEDR CollectorWindows allows local users to terminate EDR processes and disable protection. The flaw fails to preserve Collector process lifetime against privileged termination, but Fortinet does not identify the responsible service or function. The attack requires privileged local access on Windows; exploitation stops protection in 4.0.0 through 4.1, 5.0.0 through 5.0.3.751, and 5.1.0.

CVSS severity4.4
Medium
EPSS probability0.18%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper resource lifetime control in Fortinet FortiEDR CollectorWindows allows local users to terminate EDR processes and disable protection. The flaw fails to preserve Collector process lifetime against privileged termination, but Fortinet does not identify the responsible service or function. The attack requires privileged local access on Windows; exploitation stops protection in 4.0.0 through 4.1, 5.0.0 through 5.0.3.751, and 5.1.0.

The record

CVE
CVE-2022-39949
Published
Nov 2, 2022
Updated
Oct 22, 2024
Vendor
Fortinet
Product
FortiEDR
Classifications
CWE-664, T1562.001
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. Nov 2, 2022CVE publishedPublication date reported by the CVE source.
  2. Oct 22, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=FortiEDR CollectorWindows 4.0.0  through 4.1, 5.0.0 through 5.0.3.751, 5.1.0

What conditions does exploitation require?

Attack vectorlocal
Required privilegesadmin

What is affected?

Fortinet · FortiEDRversion=FortiEDR CollectorWindows 4.0.0  through 4.1, 5.0.0 through 5.0.3.751, 5.1.0

Published CVSS scores

4.4Fortinet, Inc.CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
5.5NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-664Improper Control of a Resource Through its Lifetime
T1562.001Impair Defenses: Disable or Modify Tools

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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