Is CVE-2022-45141 in the CISA KEV catalog?

No. CVE-2022-45141 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-45141?

CVE-2022-45141 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2022-45141?

CVE-2022-45141 has an EPSS score of 0.45% (36th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-45141?

Upgrade samba on debian 12 to 2:4.16.0+dfsg-2 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2022-45141

CRITICAL

9.8

CVSS v3

NVD

Description

Since the Windows Kerberos RC4-HMAC Elevation of Privilege Vulnerability was disclosed by Microsoft on Nov 8 2022 and per RFC8429 it is assumed that rc4-hmac is weak, Vulnerable Samba Active Directory DCs will issue rc4-hmac encrypted tickets despite the target server supporting better encryption (eg aes256-cts-hmac-sha1-96).

CWE-328 CWE-326

How to fix

Remediation Available

sambaDebian

Fixed in:2:4.16.0+dfsg-2CVE-2022-45141

sambaUbuntu

Fixed in:2:4.3.11+dfsg-0ubuntu0.14.04.20+esm13USN-7582-1

Fixed in:2:4.3.11+dfsg-0ubuntu0.16.04.34+esm2USN-7582-1

Fixed in:2:4.7.6+dfsg~ubuntu-0ubuntu2.29+esm1USN-7582-1

Fixed in:2:4.13.17~dfsg-0ubuntu1.20.04.4USN-5822-1

Fixed in:2:4.15.13+dfsg-0ubuntu0.20.04.1USN-5936-1

Fixed in:2:4.15.13+dfsg-0ubuntu1USN-5822-1

Fixed in:2:4.16.8+dfsg-0ubuntu1USN-5822-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.45%probability of exploitation in 30 days

36thpercentile

Low risk: more likely to be exploited than 36% of all known CVEs.

References

Vendor Advisory1

samba.org

Other references1

security.gentoo.org

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-03-06.