CVE-2007-4787

The virus detection engine in Sophos Anti-Virus before 2.49.0 does not properly process malformed (1) CAB, (2) LZH, and (3) RAR files with modified headers, which might allow remote attackers to bypass malware detection.

Published: 2007-09-10 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2007-4787 is rated Moderate Risk (54.2/100): CVSS Medium severity, with high exploitation likelihood (EPSS 5.67%, 92th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +2.03% over the last day, indicating growing attacker interest. High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2007-4787

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 3.63% 5.67% +2.03%
2 2026-04-29 1.93% 3.63% +1.70%
3 2025-11-25 — 1.93% —

Full EPSS history (17 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2007-4787

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2007-4787

Affected software / configurations for CVE-2007-4787

Vendor Product Version Raw CPE
sophos scanning_engine 2.30.4 cpe:2.3:a:sophos:scanning_engine:2.30.4:*:*:*:*:*:*:*
sophos sophos_anti-virus 3.4.6 cpe:2.3:a:sophos:sophos_anti-virus:3.4.6:*:*:*:*:*:*:*
sophos sophos_anti-virus 3.78 cpe:2.3:a:sophos:sophos_anti-virus:3.78:*:*:*:*:*:*:*
sophos sophos_anti-virus 3.78d cpe:2.3:a:sophos:sophos_anti-virus:3.78d:*:*:*:*:*:*:*
sophos sophos_anti-virus 3.79 cpe:2.3:a:sophos:sophos_anti-virus:3.79:*:*:*:*:*:*:*
sophos sophos_anti-virus 3.80 cpe:2.3:a:sophos:sophos_anti-virus:3.80:*:*:*:*:*:*:*
sophos sophos_anti-virus 3.81 cpe:2.3:a:sophos:sophos_anti-virus:3.81:*:*:*:*:*:*:*
sophos sophos_anti-virus 3.82 cpe:2.3:a:sophos:sophos_anti-virus:3.82:*:*:*:*:*:*:*
sophos sophos_anti-virus 3.83 cpe:2.3:a:sophos:sophos_anti-virus:3.83:*:*:*:*:*:*:*
sophos sophos_anti-virus 3.84 cpe:2.3:a:sophos:sophos_anti-virus:3.84:*:*:*:*:*:*:*
sophos sophos_anti-virus 3.85 cpe:2.3:a:sophos:sophos_anti-virus:3.85:*:*:*:*:*:*:*
sophos sophos_anti-virus 3.86 cpe:2.3:a:sophos:sophos_anti-virus:3.86:*:*:*:*:*:*:*
sophos sophos_anti-virus 3.90 cpe:2.3:a:sophos:sophos_anti-virus:3.90:*:*:*:*:*:*:*
sophos sophos_anti-virus 3.91 cpe:2.3:a:sophos:sophos_anti-virus:3.91:*:*:*:*:*:*:*
sophos sophos_anti-virus 3.95 cpe:2.3:a:sophos:sophos_anti-virus:3.95:*:*:*:*:*:*:*
sophos sophos_anti-virus 3.96 cpe:2.3:a:sophos:sophos_anti-virus:3.96:*:*:*:*:*:*:*
sophos sophos_anti-virus 4.04 cpe:2.3:a:sophos:sophos_anti-virus:4.04:*:*:*:*:*:*:*
sophos sophos_anti-virus 4.05 cpe:2.3:a:sophos:sophos_anti-virus:4.05:*:*:*:*:*:*:*
sophos sophos_anti-virus 4.5.3 cpe:2.3:a:sophos:sophos_anti-virus:4.5.3:*:*:*:*:*:*:*
sophos sophos_anti-virus 4.5.4 cpe:2.3:a:sophos:sophos_anti-virus:4.5.4:*:*:*:*:*:*:*
sophos sophos_anti-virus 4.5.11 cpe:2.3:a:sophos:sophos_anti-virus:4.5.11:*:*:*:*:*:*:*
sophos sophos_anti-virus 4.5.12 cpe:2.3:a:sophos:sophos_anti-virus:4.5.12:*:*:*:*:*:*:*
sophos sophos_anti-virus 4.7.1 cpe:2.3:a:sophos:sophos_anti-virus:4.7.1:*:*:*:*:*:*:*
sophos sophos_anti-virus 4.7.2 cpe:2.3:a:sophos:sophos_anti-virus:4.7.2:*:*:*:*:*:*:*
sophos sophos_anti-virus 5.0.1 cpe:2.3:a:sophos:sophos_anti-virus:5.0.1:*:*:*:*:*:*:*
sophos sophos_anti-virus 5.0.2 cpe:2.3:a:sophos:sophos_anti-virus:5.0.2:*:*:*:*:*:*:*
sophos sophos_anti-virus 5.0.4 cpe:2.3:a:sophos:sophos_anti-virus:5.0.4:*:*:*:*:*:*:*
sophos sophos_anti-virus 5.1 cpe:2.3:a:sophos:sophos_anti-virus:5.1:*:*:*:*:*:*:*
sophos sophos_anti-virus 5.2.0 cpe:2.3:a:sophos:sophos_anti-virus:5.2.0:*:*:*:*:*:*:*
sophos sophos_anti-virus 5.2.1 cpe:2.3:a:sophos:sophos_anti-virus:5.2.1:*:*:*:*:*:*:*
sophos sophos_anti-virus 6.0 cpe:2.3:a:sophos:sophos_anti-virus:6.0:*:*:*:*:*:*:*
sophos sophos_anti-virus 6.5 cpe:2.3:a:sophos:sophos_anti-virus:6.5:*:*:*:*:*:*:*
sophos sophos_anti-virus 6.5.4_r2 cpe:2.3:a:sophos:sophos_anti-virus:6.5.4_r2:*:*:*:*:*:*:*
sophos sophos_anti-virus 6.5.8 cpe:2.3:a:sophos:sophos_anti-virus:6.5.8:*:*:*:*:*:*:*
sophos sophos_anti-virus 7.0 cpe:2.3:a:sophos:sophos_anti-virus:7.0:*:*:*:*:*:*:*

References for CVE-2007-4787

cvelogic Threat Intelligence