THREATPORT/VULNERABILITY/CVE-2004-0523
HIGH SEVERITY

CVE-2004-0523

Kerberos vulnerability

CVSS
10.0
EPSS
11.7%
EPSS pct
96th
Exploited
No known
Multiple buffer overflows in krb5_aname_to_localname for MIT Kerberos 5 (krb5) 1.3.3 and earlier allow remote attackers to execute arbitrary code as root.
Affected vendor
Mit
Affected product
Kerberos
CVSS vector
AV:N/AC:L/Au:N/C:C/I:C/A:C
Published
2004-08-18

Risk analysis

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

Its EPSS score of 11.7% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2004-0523

  • Confirm whether Mit Kerberos is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2004-0523.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2004-0523

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2004-0523 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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