HOMEVULNERABILITIESCVE-2022-26019
HIGH

CVE-2022-26019

CWE-22Published: March 31, 2022· Updated: Jun 17, 2026

8.8
CVSS v3.1

Official Description

Improper access control vulnerability in pfSense CE and pfSense Plus (pfSense CE software versions prior to 2.6.0 and pfSense Plus software versions prior to 22.01) allows a remote attacker with the privilege to change NTP GPS settings to rewrite existing files on the file system, which may result in arbitrary command execution.

NVD Source

Technical Analysis

CVE-2022-26019 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

netgate2 product(s)
pfsensepfsense plus
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://docs.netgate.com/downloads/pfSense-SA-22_01.webgui.asc
PATCHhttps://jvn.jp/en/jp/JVN87751554/index.html
PATCHhttps://docs.netgate.com/downloads/pfSense-SA-22_01.webgui.asc
PATCHhttps://jvn.jp/en/jp/JVN87751554/index.html

All References (4)

→
https://docs.netgate.com/downloads/pfSense-SA-22_01.webgui.ascMitigation · Patch · Vendor Advisory
→
https://jvn.jp/en/jp/JVN87751554/index.htmlPatch · Third Party Advisory
→
https://docs.netgate.com/downloads/pfSense-SA-22_01.webgui.ascMitigation · Patch · Vendor Advisory
→
https://jvn.jp/en/jp/JVN87751554/index.htmlPatch · Third Party Advisory

Quick Facts

CVE IDCVE-2022-26019
CVSS Score8.8 / 10
SeverityHIGH
WeaknessCWE-22
CISA KEVNo
Affected1 vendor(s)
PublishedMar 31, 2022

Related CVEs (CWE-22)

CVE-2024-37902
10.0
CVE-2013-6221
10.0
CVE-2026-48282
KEV10.0
CVE-2026-34909
KEV10.0
CVE-2011-5127
10.0
CVE-2011-2653
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2022-26019 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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