VulnerabilityAnalyzed
CVE-2023-1671
Sophos Web Appliance Command Injection Vulnerability
KEVCRITICAL 9.8EPSS 100.0%
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 7 December 2023). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
A pre-auth command injection vulnerability in the warn-proceed handler of Sophos Web Appliance older than version 4.3.10.4 allows execution of arbitrary code.
- 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
- 100.00% probability · 100th percentile
- CISA KEV
- Listed 16 November 2023 · due 7 December 2023
- Weakness
- CWE-77
- Affected
- sophos/web appliance
- Source
- security-alert@sophos.com
CISA notes
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. https://www.sophos.com/en-us/security-advisories/sophos-sa-20230404-swa-rce; https://nvd.nist.gov/vuln/detail/CVE-2023-1671
References
- http://packetstormsecurity.com/files/172016/Sophos-Web-Appliance-4.3.10.4-Command-Injection.htmlExploit, Third Party Advisory, VDB Entry
- https://www.sophos.com/en-us/security-advisories/sophos-sa-20230404-swa-rceVendor Advisory
- http://packetstormsecurity.com/files/172016/Sophos-Web-Appliance-4.3.10.4-Command-Injection.htmlExploit, Third Party Advisory, VDB Entry
- https://www.sophos.com/en-us/security-advisories/sophos-sa-20230404-swa-rceVendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-1671US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.