THREATPORT/VULNERABILITY/CVE-2004-0081
MEDIUM SEVERITY

CVE-2004-0081

Firewall Services Module vulnerability

CVSS
5.0
EPSS
7.2%
EPSS pct
94th
Exploited
No known
OpenSSL 0.9.6 before 0.9.6d does not properly handle unknown message types, which allows remote attackers to cause a denial of service (infinite loop), as demonstrated using the Codenomicon TLS Test Tool.
Affected vendor
Cisco
Affected product
Firewall Services Module
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Published
2004-11-23

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 7.2% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 94% of all scored CVEs.

Check your external exposure to CVE-2004-0081

  • Confirm whether Cisco Firewall Services Module is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2004-0081.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2004-0081

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2004-0081 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-2004-0081?

Run an instant, non-intrusive external scan to check your attack surface for CVE-2004-0081.

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