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CVE-2021-36222

nvd nist
Published: Jul 22, 2021Modified: Jun 17, 2026

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7.5
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploitability: 3.9 / Impact: 3.6
Source: NVD

Description

ec_verify in kdc/kdc_preauth_ec.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.18.4 and 1.19.x before 1.19.2 allows remote attackers to cause a NULL pointer dereference and daemon crash. This occurs because a return value is not properly managed in a certain situation.

Affected (9)

Show all products
Mit: Kerberos 5 · Debian: Debian Linux · Netapp: Active Iq Unified Manager, Oncommand Insight, Oncommand Workflow Automation, Snapcenter · Oracle: Mysql Server
Mit
1 product
Kerberos 5
Debian
1 product
Debian Linux
Netapp
4 products
Active Iq Unified Manager
Oncommand Insight
Oncommand Workflow Automation
Snapcenter
Oracle
1 product
Mysql Server
Configuration A
2 vulnerable
Vulnerable SoftwareAffected Versions
Mit
Kerberos 5
Before 1.18.4
Kerberos 5
From 1.19.0 to 1.19.2
Configuration B
1 vulnerable
Vulnerable SoftwareAffected Versions
Debian Linux
Version 10.0
Configuration C
5 vulnerable
Vulnerable SoftwareAffected Versions
Netapp
Active Iq Unified Manager
All versions
Active Iq Unified Manager
All versions
Oncommand Insight
All versions
Oncommand Workflow Automation
All versions
Snapcenter
All versions
Configuration D
1 vulnerable
Vulnerable SoftwareAffected Versions
Mysql Server
From 8.0.0 to 8.0.26

Related CWEs

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

References (14)

Source: cve@mitre.org
PatchThird Party Advisory
Source: cve@mitre.org
Release NotesThird Party Advisory
Source: cve@mitre.org
Third Party Advisory
Source: cve@mitre.org
Third Party Advisory
Source: cve@mitre.org
Not Applicable
Source: cve@mitre.org
Third Party Advisory
Source: cve@mitre.org
PatchThird 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
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Not Applicable
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
PatchThird Party Advisory

Timeline

No history available yet.