How severe is CVE-2007-3149?

CVE-2007-3149 has a CVSS 2.0 base score of 7.2, rated high severity.

Is CVE-2007-3149 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-3149?

CVE-2007-3149 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-2007-3149?

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-2007-3149 published?

CVE-2007-3149 was published on 2007-06-11 and last updated on 2026-06-16.

CVE-2007-3149

CVE-2007-3149 is a high-severity vulnerability in Mit Kerberos 5 with a CVSS 2.0 base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.2)
EPSS exploit prediction: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Mit Kerberos 5
Published: 2007-06-11
Last modified: 2026-06-16

Description

sudo, when linked with MIT Kerberos 5 (krb5), does not properly check whether a user can currently authenticate to Kerberos, which allows local users to gain privileges, in a manner unintended by the sudo security model, via certain KRB5_ environment variable settings. NOTE: another researcher disputes this vulnerability, stating that the attacker must be "a user, who can already log into your system, and can already use sudo."

Frequently asked questions

What is CVE-2007-3149?: sudo, when linked with MIT Kerberos 5 (krb5), does not properly check whether a user can currently authenticate to Kerberos, which allows local users to gain privileges, in a manner unintended by the sudo security model, via certain KRB5_ environment variable settings. NOTE: another researcher disputes this vulnerability, stating that the attacker must be "a user, who can already log into your system, and can already use sudo."
How severe is CVE-2007-3149?: CVE-2007-3149 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-2007-3149 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-3149?: CVE-2007-3149 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-2007-3149?: 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-2007-3149 published?: CVE-2007-3149 was published on 2007-06-11 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:mit:kerberos_5:-:*:*:*:*:*:*:*
cpe:2.3:a:todd_miller:sudo:1.6.8_p12:*:*:*:*:*:*:*

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