CVE-2022-3236: Sophos Firewall Code Injection Vulnerability
Vulnerability summary
CVE-2022-3236 is a critical (CVSS 9.8) Code Injection vulnerability in Sophos Firewall. It is known to be exploited: CISA lists it, first on 23-09-2022. EPSS estimates a 98.88% chance of exploitation in the next 30 days, higher than 99.9% of scored vulnerabilities.
Timeline
- 23-09-2022PublishedVulnerability first disclosed.
- 23-09-2022Added to CISA KEVSophos Firewall Code Injection Vulnerability
- 14-10-2022CISA remediation dueApply updates per vendor instructions.
- 07-10-2026Last modifiedVulnerability information updated.
Description
A code injection vulnerability in the User Portal and Webadmin allows a remote attacker to execute code in Sophos Firewall version v19.0 MR1 and older.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
98.88%
Chance of exploitation in the next 30 days
Percentile
100%
Versus all other CVEs
30-day change
-0.03 pp
From 98.91% on 19-09-2026
Known exploited
Compare KEV catalogs
CISA KEVListed- Added
- 23-09-2022
- Federal due date
- 14-10-2022
CISA required action
Apply updates per vendor instructions. www.sophos.com/en-us/security-advisories/sophos-sa-20220923-sfos-rce nvd.nist.gov/vuln/detail/CVE-2022-3236
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Sophos2 products
- firewall≤ 19.0.1
- sophos firewall≥ unspecified, ≤ 18.5 MR4 | ≥ unspecified, ≤ 19.0 MR1
1 vendor · 2 products
References
2 links- www.sophos.com/en-us/security-advisories/sophos-sa-20220923-sfos-rceX Refsource CONFIRMVendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-3236Government ResourceUS Government Resource