CVE-2005-3216

Sophos Anti Virus vulnerability

CVSS

5.1

EPSS

4.6%

EPSS pct

91th

Exploited

No known

Multiple interpretation error in unspecified versions of Sophos Antivirus allows remote attackers to bypass virus detection via a malicious executable in a specially crafted RAR file with malformed central and local headers, which can still be opened by products such as Winrar and PowerZip, even though they are rejected as corrupted by Winzip and BitZipper.

Affected vendor

Sophos

Affected product

Sophos Anti Virus

CVSS vector

AV:N/AC:H/Au:N/C:P/I:P/A:P

Published

2005-10-14

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, high attack complexity, requiring no authentication. Successful exploitation leads to partial impact to confidentiality, partial impact to integrity, partial impact to availability.

Its EPSS score of 4.6% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 91% of all scored CVEs.

Check your external exposure to CVE-2005-3216

Confirm whether Sophos Sophos Anti Virus is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2005-3216.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2005-3216

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2005-3216 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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