CVE-2022-3437

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 ImpactpartialSuccessful exploitation gives limited 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

3.85% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 90.1% of scored records. A rank, not a probability.

NVD base score

6.5 (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:N/I:N/A:H

NVD analysis status

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

Red Hat severity

Moderate. 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

2023-01-12 00:00Z3 YR AGO

Last updated

2024-10-28 18:59Z2 YR AGO

Reserved

2022-10-10

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Medium (CVSS 4.3)

CNA CVSS vector

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

Weaknesses

• CWE-122Heap-based Buffer OverflowVariant
• CWE-787Out-of-bounds WriteBase

Data version

5.1

Document digest

e8d748349d7f6243b37e009ce8f4ebdb79be4b740c5e4562d6f3dac332fd3a84

• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2137774
• www.samba.orghttps://www.samba.org/samba/security/CVE-2022-3437.html
• access.redhat.comhttps://access.redhat.com/security/cve/CVE-2022-3437
• www.openwall.com[oss-security] 20230208 [vs] heimdal: CVE-2022-45142: signature validation failurehttp://www.openwall.com/lists/oss-security/2023/02/08/1mailing-list
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20230216-0008/
• security.gentoo.orgGLSA-202309-06https://security.gentoo.org/glsa/202309-06vendor-advisory
• security.gentoo.orgGLSA-202310-06https://security.gentoo.org/glsa/202310-06vendor-advisory
• lists.debian.org[debian-lts-announce] 20240422 [SECURITY] [DLA 3792-1] samba security updatehttps://lists.debian.org/debian-lts-announce/2024/04/msg00015.htmlmailing-list