MEDIUM SEVERITY

CVE-2006-5391

Xfire vulnerability

CVSS
5.0
EPSS
3.0%
EPSS pct
86th
Exploited
No known
Xfire 1.64 and earlier allows remote attackers to cause a denial of service (client application crash) via a long string to UDP port 25777.
Affected vendor
Xfire
Affected product
Xfire
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Published
2006-10-18

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 3.0% 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-2006-5391

  • Confirm whether Xfire Xfire is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2006-5391.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2006-5391

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2006-5391 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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