How severe is CVE-2015-8630?

CVE-2015-8630 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2015-8630 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-8630?

CVE-2015-8630 primarily affects Mit Kerberos 5. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-8630?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2015-8630 published?

CVE-2015-8630 was published on 2016-02-13 and last updated on 2026-06-17.

CVE-2015-8630

CVE-2015-8630 is a high-severity vulnerability in Mit Kerberos 5 with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 4% (90th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Mit Kerberos 5
Published: 2016-02-13
Last modified: 2026-06-17

Description

The (1) kadm5_create_principal_3 and (2) kadm5_modify_principal functions in lib/kadm5/srv/svr_principal.c in kadmind in MIT Kerberos 5 (aka krb5) 1.12.x and 1.13.x before 1.13.4 and 1.14.x before 1.14.1 allow remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) by specifying KADM5_POLICY with a NULL policy name.

Frequently asked questions

What is CVE-2015-8630?: The (1) kadm5_create_principal_3 and (2) kadm5_modify_principal functions in lib/kadm5/srv/svr_principal.c in kadmind in MIT Kerberos 5 (aka krb5) 1.12.x and 1.13.x before 1.13.4 and 1.14.x before 1.14.1 allow remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) by specifying KADM5_POLICY with a NULL policy name.
How severe is CVE-2015-8630?: CVE-2015-8630 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2015-8630 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-8630?: CVE-2015-8630 primarily affects Mit Kerberos 5. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-8630?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2015-8630 published?: CVE-2015-8630 was published on 2016-02-13 and last updated on 2026-06-17.

References

Affected products (14)

cpe:2.3:a:mit:kerberos_5:1.12:*:*:*:*:*:*:*
cpe:2.3:a:mit:kerberos_5:1.12.1:*:*:*:*:*:*:*
cpe:2.3:a:mit:kerberos_5:1.12.2:*:*:*:*:*:*:*
cpe:2.3:a:mit:kerberos_5:1.12.3:*:*:*:*:*:*:*
cpe:2.3:a:mit:kerberos_5:1.12.4:*:*:*:*:*:*:*
cpe:2.3:a:mit:kerberos_5:1.12.5:*:*:*:*:*:*:*
cpe:2.3:a:mit:kerberos_5:1.13:*:*:*:*:*:*:*
cpe:2.3:a:mit:kerberos_5:1.13.1:*:*:*:*:*:*:*
cpe:2.3:a:mit:kerberos_5:1.13.2:*:*:*:*:*:*:*
cpe:2.3:a:mit:kerberos_5:1.13.3:*:*:*:*:*:*:*
cpe:2.3:a:mit:kerberos_5:1.14:*:*:*:*:*:*:*
cpe:2.3:a:mit:kerberos_5:1.14:alpha1:*:*:*:*:*:*
cpe:2.3:a:mit:kerberos_5:1.14:beta1:*:*:*:*:*:*
cpe:2.3:a:mit:kerberos_5:1.14:beta2:*:*:*:*:*:*

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