Is CVE-2017-12151 in the CISA KEV catalog?

No. CVE-2017-12151 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-12151?

CVE-2017-12151 has a CVSS v3 base score of 7.4 (HIGH).

What is the EPSS score for CVE-2017-12151?

CVE-2017-12151 has an EPSS score of 4.59% (90th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-12151?

Upgrade samba on debian 11 to 2:4.6.7+dfsg-2 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2017-12151

HIGHEPSS 90th pctl

7.4

CVSS v3

NVD

Description

A flaw was found in the way samba client before samba 4.4.16, samba 4.5.14 and samba 4.6.8 used encryption with the max protocol set as SMB3. The connection could lose the requirement for signing and encrypting to any DFS redirects, allowing an attacker to read or alter the contents of the connection via a man-in-the-middle attack.

CWE-300 CWE-310Cryptographic Issues

How to fix

Remediation Available

sambaDebian

Fixed in:2:4.6.7+dfsg-2CVE-2017-12151

sambaUbuntu

Fixed in:2:4.3.11+dfsg-0ubuntu0.14.04.12USN-3426-1

Fixed in:2:4.3.11+dfsg-0ubuntu0.16.04.11USN-3426-1

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 ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityNone

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Exploit Intelligence

4.59%probability of exploitation in 30 days

90thpercentile

High risk: more likely to be exploited than 90% of all known CVEs.

References

Vendor Advisory1

samba.org

Third-Party Advisory8

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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 2024-11-21.