CVE-2010-4021
EPSS 0.47%
Description
The Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.7 does not properly restrict the use of TGT credentials for armoring TGS requests, which might allow remote authenticated users to impersonate a client by rewriting an inner request, aka a "KrbFastReq forgery issue."
How to fix CVE-2010-4021
To remediate CVE-2010-4021, upgrade the affected package to a fixed version below.
- Debian/krb5—upgrade to 1.8+dfsg~alpha1-1 or later
Is CVE-2010-4021 being exploited?
Low — EPSS is 0.5%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1.8+dfsg~alpha1-1