CVE-2008-3801

Unified Callmanager vulnerability

CVSS

7.1

EPSS

3.2%

EPSS pct

87th

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 CSCsm46064, a different vulnerability than CVE-2008-3800 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 3.2% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 87% of all scored CVEs.

Check your external exposure to CVE-2008-3801

Confirm whether Cisco Unified Callmanager is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2008-3801.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2008-3801

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2008-3801 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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