VulnerabilityAnalyzed
CVE-2022-1040
Sophos Firewall Authentication Bypass Vulnerability
KEVCRITICAL 9.8EPSS 99.8%
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 21 April 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
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 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 99.80% probability · 100th percentile
- CISA KEV
- Listed 31 March 2022 · due 21 April 2022
- Affected
- sophos/sfos
- Source
- security-alert@sophos.com
CISA notes
Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2022-1040
References
- http://packetstormsecurity.com/files/168046/Sophos-XG115w-Firewall-17.0.10-MR-10-Authentication-Bypass.htmlExploit, Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/51006Exploit, Third Party Advisory, VDB Entry
- https://www.sophos.com/en-us/security-advisories/sophos-sa-20220325-sfos-rceMitigation, Vendor Advisory
- http://packetstormsecurity.com/files/168046/Sophos-XG115w-Firewall-17.0.10-MR-10-Authentication-Bypass.htmlExploit, Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/51006Exploit, Third Party Advisory, VDB Entry
- https://www.sophos.com/en-us/security-advisories/sophos-sa-20220325-sfos-rceMitigation, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-1040US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.