THREATPORT/VULNERABILITY/CVE-2006-5553
HIGH SEVERITY

CVE-2006-5553

Security Agent vulnerability

CVSS
7.8
EPSS
3.1%
EPSS pct
86th
Exploited
No known
Cisco Security Agent (CSA) for Linux 4.5 before 4.5.1.657 and 5.0 before 5.0.0.193, as used by Unified CallManager (CUCM) and Unified Presence Server (CUPS), allows remote attackers to cause a denial of service (resource consumption) via a port scan with certain options.
Affected vendor
Cisco
Affected product
Security Agent
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:C
Published
2006-10-26

Risk analysis

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

Its EPSS score of 3.1% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 86% of all scored CVEs.

Check your external exposure to CVE-2006-5553

  • Confirm whether Cisco Security Agent is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2006-5553.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2006-5553

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2006-5553 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-2006-5553?

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