Vulnerability Intelligence Report
Sophos Web Appliance Command Injection Vulnerability
CVE-2023-1671
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.
CISA KEV
Nuclei Template
SSVC: Active Exploitation
Automatable
CVSS Base Score
9.8
CRITICAL
Exploitability:3.9
Impact Score:5.9
EPSS Probability:100.00%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-77 ↗CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection')
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Sophos | Sophos Web Appliance | unspecified < 4.3.10.4 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
CISA KEV
ACTIVE IN CATALOG
Nuclei Template
SCANNER AVAILABLE
EPSS Score
99.999%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Sophos Limited · Vendor · UK |
| Reserved | 2023-03-28T00:00:00 |
| Published | 2023-04-04T00:00:00 |
| Last Updated | 2025-10-21T23:15:21 |
Community Chatter & Buzz