Overview
Sophos Web Appliance contains a command injection vulnerability in the warn-proceed handler that allows for remote code execution.
https://www.sophos.com/en-us/security-advisories/sophos-sa-20230404-swa-rce; https://nvd.nist.gov/vuln/detail/CVE-2023-1671
Key Details
| Property | Value |
|---|---|
| CVE ID | CVE-2023-1671 |
| Vendor / Product | Sophos — Web Appliance |
| NVD Published | 2023-04-04 |
| NVD Last Modified | 2025-10-27 |
| CVSS 3.1 Score | 9.8 |
| CVSS 3.1 Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| Severity | CRITICAL |
| CWE | CWE-77 |
| CISA KEV Added | 2023-11-16 |
| CISA KEV Deadline | 2023-12-07 |
| Known Ransomware Use | No |
CVSS 3.1 Breakdown
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Required Action
CISA BOD 22-01 Deadline: 2023-12-07.
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Timeline
| Date | Event |
|---|---|
| 2023-11-16 | Added to CISA Known Exploited Vulnerabilities catalog |
| 2023-12-07 | CISA BOD 22-01 remediation deadline |
References
| Resource | Type |
|---|---|
| NVD — CVE-2023-1671 | Vulnerability Database |
| CISA KEV Catalog Entry | US Government |