Vulnerability in Sophos Sfos
CVE-2022-1040
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.998 (100.0th percentile), scored .
Very high probability of exploitation in the next 30 days — among the top 0.1% most-likely-to-be-exploited CVEs. 100th percentile — 100.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.998 · newest: 0.998 · change: 0.000
Affected products
- Sophos Sfos
- Sophos Firewall — versions unspecified
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Public proof-of-concept exploits
References
- www.sophos.com/en-us/security-advisories/sophos-sa-20220325-sfos-rce (Mitigation, Vendor Advisory)
- packetstormsecurity.com/files/168046/Sophos-XG115w-Firewall-17.0.10-MR-10-Authe… (Exploit, VDB Entry, Third Party Advisory)
- www.exploit-db.com/exploits/51006 (Exploit, VDB Entry, Third Party Advisory)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
Frequently asked questions
- What is CVE-2022-1040?
- CVE-2022-1040 is a critical-severity vulnerability in Sophos Sfos. CVSS score: 9.8/10. Published 2022-03-25.
- How severe is CVE-2022-1040?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2022-1040 known to be exploited?
- Yes. CVE-2022-1040 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-31), indicating it is being actively exploited. 37 public proof-of-concept repositories are indexed.