CVE-2022-42898

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

6.42% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 93.1% of scored records. A rank, not a probability.

NVD base score

8.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Important. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2022-12-25 00:00Z3 YR AGO

Last updated

2025-04-14 18:33Z1 YR AGO

Reserved

2022-10-13

Assigning CNA

mitre

Record state

PUBLISHED

Severity

High (CVSS 8.8)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses

• CWE-190Integer Overflow or WraparoundBase

Data version

5.1

Document digest

0c8aae51a60244d086866db94a2febe7056518db6571e81922f59f26752a97b3

• web.mit.eduhttps://web.mit.edu/kerberos/advisories/
• www.samba.orghttps://www.samba.org/samba/security/CVE-2022-42898.html
• github.comhttps://github.com/krb5/krb5/commit/ea92d2f0fcceb54a70910fa32e9a0d7a5afc3583
• github.comhttps://github.com/heimdal/heimdal/security/advisories/GHSA-64mq-fvfj-5x3c
• web.mit.eduhttps://web.mit.edu/kerberos/krb5-1.20/README-1.20.1.txt
• web.mit.eduhttps://web.mit.edu/kerberos/krb5-1.19/
• bugzilla.samba.orghttps://bugzilla.samba.org/show_bug.cgi?id=15203
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20230216-0008/
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20230223-0001/
• security.gentoo.orgGLSA-202309-06https://security.gentoo.org/glsa/202309-06vendor-advisory
• security.gentoo.orgGLSA-202310-06https://security.gentoo.org/glsa/202310-06vendor-advisory