Vulnerability Details : CVE-2010-4021

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."
Published 2010-12-02 16:22:21
Updated 2020-01-21 15:45:50
Source MITRE
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2010-4021

Probability of exploitation activity in the next 30 days: 0.40%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 70 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2010-4021

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
2.1
 LOW AV:N/AC:H/Au:S/C:N/I:P/A:N
3.9
2.9
 NIST

CWE ids for CVE-2010-4021

  • Assigned by: nvd@nist.gov (Primary)
  • Assigned by: nvd@nist.gov (Primary)

References for CVE-2010-4021

Products affected by CVE-2010-4021

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