Cyber Resilience

CVE-2021-36222

High

Published: 22 July 2021

Published
22 July 2021
Modified
21 November 2024
KEV Added
—
Patch
—
CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0662 91.4th percentile
Risk Priority 19 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-36222 is a high-severity NULL Pointer Dereference (CWE-476) vulnerability in Mit Kerberos 5. Its CVSS base score is 7.5 (High).

Operationally, ranked in the top 8.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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…

more

not properly managed in a certain situation.

CWE(s)
CWE-476

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

mit
kerberos 5
≤ 1.18.4 · 1.19.0 — 1.19.2
debian
debian linux
10.0
netapp
active iq unified manager
all versions
netapp
oncommand insight
all versions
netapp
oncommand workflow automation
all versions
netapp
snapcenter
all versions
oracle
mysql server
8.0.0 — 8.0.26

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References