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CVE-2021-37750

nvd nist
Published: Aug 23, 2021Modified: Jun 17, 2026

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6.5
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Exploitability: 2.8 / Impact: 3.6
Source: NVD

Description

The Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.18.5 and 1.19.x before 1.19.3 has a NULL pointer dereference in kdc/do_tgs_req.c via a FAST inner body that lacks a server field.

Affected (6)

Products: Mit: Kerberos 5 · Fedoraproject: Fedora · Debian: Debian Linux · +2 more
Show all products
Mit: Kerberos 5 · Fedoraproject: Fedora · Debian: Debian Linux · Starwindsoftware: Starwind Virtual San · Oracle: Communications Cloud Native Core Network Slice Selection Function
Mit
1 product
Kerberos 5
Fedoraproject
1 product
Fedora
Debian
1 product
Debian Linux
Starwindsoftware
1 product
Starwind Virtual San
Oracle
1 product
Communications Cloud Native Core Network Slice Selection Function
Configuration A
2 vulnerable
Vulnerable SoftwareAffected Versions
Mit
Kerberos 5
Before 1.18.5
Kerberos 5
From 1.19.0 to 1.19.3
Configuration B
1 vulnerable
Vulnerable SoftwareAffected Versions
Fedora
Version 33
Configuration C
1 vulnerable
Vulnerable SoftwareAffected Versions
Debian Linux
Version 9.0
Configuration D
1 vulnerable
Vulnerable SoftwareAffected Versions
Starwind Virtual San
Version v8r13 14338
Configuration E
1 vulnerable
Vulnerable SoftwareAffected Versions
Communications Cloud Native Core Network Slice Selection Function
Version 22.1.0

Related CWEs

CWE-476
NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.

References (16)

Source: cve@mitre.org
PatchThird Party Advisory
Source: cve@mitre.org
Release NotesThird Party Advisory
Source: cve@mitre.org
Mailing ListThird Party Advisory
Source: cve@mitre.org
Source: cve@mitre.org
Third Party Advisory
Source: cve@mitre.org
Vendor Advisory
Source: cve@mitre.org
PatchThird Party Advisory
Source: cve@mitre.org
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
PatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Release NotesThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
PatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

Timeline

No history available yet.