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CVE-2022-1040

Published: Mar 25, 2022Updated: Oct 27, 2025 Sources: CVE List NVD BDUNVD-CWE-noinfo
NVD MITRE
9.8CVSSCRITICAL
EPSS Score
99.8%
Top 0.0%
CISA KEV
Active Exploitation
Since Mar 31, 2022
Exploits
2 Known
Remediation
Patch Available
Am I actually vulnerable?1 Nuclei template available — see how to check your systems. How to verify

Description

An authentication bypass vulnerability in the User Portal and Webadmin allows a remote attacker to execute code in Sophos Firewall version v18.5 MR3 and older.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

NVD-CWE-noinfo

Affected Products

SFOSSophos Ltd.
Mixed
Networking Infrastructure / firewall
Sophos FirewallSophosSecurity Products
sfossophosSecurity Products
sophos ltd.commercialNetworking Infrastructureaka sfos, sophos firewall, sophos web appliance (swa)
sophoscommercialGBSecurity Productsaka sophos ltd.

Exploitability

CISA Known Exploited Vulnerability
Added to KEV:Mar 31, 2022
Remediation due:Apr 21, 2022

Required action: Apply updates per vendor instructions.

2 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
Workaround Available

References

https://www.sophos.com/en-us/security-advisories/sophos-sa-20220325-sfos-rce
sophos.com
http://packetstormsecurity.com/files/168046/Sophos-XG115w-Firewall-17.0.10-MR-10-Authentication-Bypass.html
packetstormsecurity.com
https://www.cisa.gov/sites/default/files/csv/known_exploited_vulnerabilities.csv
cisa.gov
and 2 more references View all →

Timeline

Published
Mar 25, 2022
Added to CISA KEV
Mar 31, 2022
Last Updated
Oct 27, 2025

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