Is CVE-2022-27239 in the CISA KEV catalog?

No. CVE-2022-27239 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-27239?

CVE-2022-27239 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2022-27239?

CVE-2022-27239 has an EPSS score of 0.56% (42th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-27239?

Upgrade cifs-utils on debian 11 to 2:6.11-3.1+deb11u1 or later. Fixes are available for 14 affected products.

CVE & CISA-KEV Catalog

CVE-2022-27239

HIGH

7.8

CVSS v3

NVD

Description

In cifs-utils through 6.14, a stack-based buffer overflow when parsing the mount.cifs ip= command-line argument could lead to local attackers gaining root privileges.

CWE-787Out-of-bounds Write

How to fix

Remediation Available

cifs-utilsDebian

Fixed in:2:6.11-3.1+deb11u1CVE-2022-27239

Fixed in:2:6.14-1.1CVE-2022-27239

cifs-utilsRocky

Fixed in:0:7.0-1.el8RHBA-2023:3052

cifs-utilsRed Hat / RHEL

Fixed in:0:7.0-1.el8RHBA-2023:3052

cifs-utils-debuginfoRocky

Fixed in:0:7.0-1.el8RHBA-2023:3052

cifs-utils-debuginfoRed Hat / RHEL

Fixed in:0:7.0-1.el8RHBA-2023:3052

cifs-utils-debugsourceRed Hat / RHEL

Fixed in:0:7.0-1.el8RHBA-2023:3052

cifs-utils-debugsourceRocky

Fixed in:0:7.0-1.el8RHBA-2023:3052

cifs-utils-develRed Hat / RHEL

Fixed in:0:7.0-1.el8RHBA-2023:3052

cifs-utils-develRocky

Fixed in:0:7.0-1.el8RHBA-2023:3052

pam_cifscredsRed Hat / RHEL

Fixed in:0:7.0-1.el8RHBA-2023:3052

pam_cifscredsRocky

Fixed in:0:7.0-1.el8RHBA-2023:3052

pam_cifscreds-debuginfoRocky

Fixed in:0:7.0-1.el8RHBA-2023:3052

pam_cifscreds-debuginfoRed Hat / RHEL

Fixed in:0:7.0-1.el8RHBA-2023:3052

cifs-utilsUbuntu

Fixed in:2:6.0-1ubuntu2+esm1USN-7688-1

Fixed in:2:6.4-1ubuntu1.1+esm1USN-7688-1

Fixed in:2:6.8-1ubuntu1.2USN-5459-1

Fixed in:2:6.9-1ubuntu0.2USN-5459-1

Fixed in:2:6.14-1ubuntu0.1USN-5459-1

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 VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.56%probability of exploitation in 30 days

42ndpercentile

Moderate risk: more likely to be exploited than 42% of all known CVEs.

References

Patch3

Vendor Advisory1

bugzilla.samba.org

Third-Party Advisory3

Other references4

Related Vulnerabilities

Other CWE-787 (Out-of-bounds Write) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-22457	Critical	9.0	100%	KEV + Ransom	Fix
CVE-2025-0282	Critical	9.0	100%	KEV + Ransom	-
CVE-2015-3113	Critical	9.8	100%	KEV	Fix
CVE-2021-20038	Critical	9.8	100%	KEV + Ransom	-
CVE-2023-4863	High	8.8	100%	KEV	Fix
CVE-2020-16040	Medium	6.5	100%	-	Fix

Embed a live status badge for CVE-2022-27239

Markdown

[![CVE-2022-27239](https://tridentstack.com/cve/badge/CVE-2022-27239.svg)](https://tridentstack.com/cve/CVE-2022-27239)

HTML

<a href="https://tridentstack.com/cve/CVE-2022-27239"><img src="https://tridentstack.com/cve/badge/CVE-2022-27239.svg" alt="CVE-2022-27239"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

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.