THREATPORT/VULNERABILITY/CVE-2012-1013
MEDIUM SEVERITY

CVE-2012-1013

Kerberos 5 vulnerability

CVSS
4.0
EPSS
3.1%
EPSS pct
86th
Exploited
No known
The check_1_6_dummy function in lib/kadm5/srv/svr_principal.c in kadmind in MIT Kerberos 5 (aka krb5) 1.8.x, 1.9.x, and 1.10.x before 1.10.2 allows remote authenticated administrators to cause a denial of service (NULL pointer dereference and daemon crash) via a KRB5_KDB_DISALLOW_ALL_TIX create request that lacks a password.
Affected vendor
Mit
Affected product
Kerberos 5
CVSS vector
AV:N/AC:L/Au:S/C:N/I:N/A:P
Published
2012-06-07

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring single-factor authentication. Successful exploitation leads to partial 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-2012-1013

  • Confirm whether Mit Kerberos 5 is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2012-1013.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2012-1013

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2012-1013 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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