SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-36222

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.

HIGH 7.5EPSS 10.3%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 10.3%, higher than 95% of all known CVEs. Patch or mitigate before the next change window.

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.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
10.28% probability · 95th percentile
CISA KEV
Not listed
Weakness
CWE-476
Affected
mit/kerberos 5 · debian/debian linux · netapp/active iq unified manager · netapp/oncommand insight · netapp/oncommand workflow automation · netapp/snapcenter · oracle/mysql server
Source
cve@mitre.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.