THREATPORT/VULNERABILITY/CVE-2008-3800
HIGH SEVERITY

CVE-2008-3800

Unified Callmanager vulnerability

CVSS
7.1
EPSS
3.5%
EPSS pct
88th
Exploited
No known
Unspecified vulnerability in the Session Initiation Protocol (SIP) implementation in Cisco IOS 12.2 through 12.4 and Unified Communications Manager 4.1 through 6.1, when VoIP is configured, allows remote attackers to cause a denial of service (device or process reload) via unspecified valid SIP messages, aka Cisco Bug ID CSCsu38644, a different vulnerability than CVE-2008-3801 and CVE-2008-3802.
Affected vendor
Cisco
Affected product
Unified Callmanager
CVSS vector
AV:N/AC:M/Au:N/C:N/I:N/A:C
Published
2008-09-26

Risk analysis

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

Its EPSS score of 3.5% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 88% of all scored CVEs.

Check your external exposure to CVE-2008-3800

  • Confirm whether Cisco Unified Callmanager is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2008-3800.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2008-3800

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2008-3800 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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