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CVE-2021-36222: kerberos 5 before 1.18.4 (exclusive), from 1.19.0 (inclusive), before 1.19.2 (exclusive); +10 more affected products

CVE-2021-36222. CVSS 3.1 base score 7.5 (HIGH, NVD). EPSS 0.10276 (percentile 0.95609), scored 13-Oct-2026.

Affected technology

kerberos 5 · before 1.18.4 (exclusive)
mit

kerberos 5 · from 1.19.0 (inclusive), before 1.19.2 (exclusive)
mit

debian linux · 10.0
debian

active iq unified manager · Version not applicable in the source CPE
netapp

oncommand insight · Version not applicable in the source CPE
netapp

oncommand workflow automation · Version not applicable in the source CPE
netapp

snapcenter · Version not applicable in the source CPE
netapp

mysql server · from 8.0.0 (inclusive), through 8.0.26 (inclusive)
oracle

n/a · n/a
Vendor not specified by the source

SIMATIC S7-1500 CPU 1518-4 PN/DP MFP · V3.1.0 to before V3.1.5
Siemens

SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP · V3.1.0 to before V3.1.5
Siemens

SIPLUS S7-1500 CPU 1518-4 PN/DP MFP · V3.1.0 to before V3.1.5
Siemens

Description’s affected range: before 1.18.4 and 1.19.x before 1.19.2

Component: Not specified by the source

Attack conditions (NVD, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

What an attacker can do

Remote attackers can cause a NULL pointer dereference and daemon crash. NVD’s CVSS 3.1 assessment (base score 7.5/10) rates confidentiality and integrity impact as none; availability impact as high.

Published

CWE
CWE-476
CCR priority
32.6 /100 (P4)
CVSS 3.1
7.5 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H · NVD
EPSS
0.10276 · percentile 0.95609 · 2026-10-13
KEV
no

Provenance

Stable permalink: https://cybercodered.org/item/cve-cve-2021-36222.html