THREATPORT/VULNERABILITY/CVE-2006-5645
MEDIUM SEVERITY

CVE-2006-5645

Anti Virus vulnerability

CVSS
5.0
EPSS
17.4%
EPSS pct
97th
Exploited
No known
Sophos Anti-Virus and Endpoint Security before 6.0.5, Anti-Virus for Linux before 5.0.10, and other platforms before 4.11, when "Enabled scanning of archives" is set, allows remote attackers to cause a denial of service (infinite loop) via a malformed RAR archive with an Archive Header section with the head_size and pack_size fields set to zero.
Affected vendor
Sophos
Affected product
Anti Virus
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness type (CWE)
Published
2006-11-01

Risk analysis

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

Its EPSS score of 17.4% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 97% of all scored CVEs.

Check your external exposure to CVE-2006-5645

  • Confirm whether Sophos Anti Virus is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2006-5645.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2006-5645

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2006-5645 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

Run a free external exposure scan

Are you exposed to CVE-2006-5645?

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