CVE-2010-1320

Kerberos 5 vulnerability

CVSS

4.0

EPSS

11.9%

EPSS pct

96th

Exploited

No known

Double free vulnerability in do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.7.x and 1.8.x before 1.8.2 allows remote authenticated users to cause a denial of service (daemon crash) or possibly execute arbitrary code via a request associated with (1) renewal or (2) validation.

Affected vendor

Mit

Affected product

Kerberos 5

CVSS vector

AV:N/AC:L/Au:S/C:N/I:N/A:P

Weakness type (CWE)

CWE-399

Published

2010-04-22

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 11.9% 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-2010-1320

Confirm whether Mit Kerberos 5 is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2010-1320.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2010-1320

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2010-1320 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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