How severe is CVE-2012-1012?

CVE-2012-1012 has a CVSS 2.0 base score of 5.5, rated medium severity.

Is CVE-2012-1012 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-1012?

CVE-2012-1012 primarily affects Mit Kerberos 5. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-1012?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2012-1012 published?

CVE-2012-1012 was published on 2012-06-07 and last updated on 2026-06-16.

CVE-2012-1012

CVE-2012-1012 is a medium-severity vulnerability in Mit Kerberos 5 with a CVSS 2.0 base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

Severity: Medium (CVSS 2.0 base score 5.5)
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Mit Kerberos 5
Published: 2012-06-07
Last modified: 2026-06-16

Description

server/server_stubs.c in the kadmin protocol implementation in MIT Kerberos 5 (aka krb5) 1.10 before 1.10.1 does not properly restrict access to (1) SET_STRING and (2) GET_STRINGS operations, which might allow remote authenticated administrators to modify or read string attributes by leveraging the global list privilege.

Frequently asked questions

What is CVE-2012-1012?: server/server_stubs.c in the kadmin protocol implementation in MIT Kerberos 5 (aka krb5) 1.10 before 1.10.1 does not properly restrict access to (1) SET_STRING and (2) GET_STRINGS operations, which might allow remote authenticated administrators to modify or read string attributes by leveraging the global list privilege.
How severe is CVE-2012-1012?: CVE-2012-1012 has a CVSS 2.0 base score of 5.5, rated medium severity.
Is CVE-2012-1012 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-1012?: CVE-2012-1012 primarily affects Mit Kerberos 5. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-1012?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-1012 published?: CVE-2012-1012 was published on 2012-06-07 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:mit:kerberos_5:1.10:*:*:*:*:*:*:*
cpe:2.3:a:mit:kerberos_5:1.10.1:*:*:*:*:*:*:*

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