Is CVE-2021-20269 in the CISA KEV catalog?

No. CVE-2021-20269 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-20269?

CVE-2021-20269 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2021-20269?

CVE-2021-20269 has an EPSS score of 0.24% (15th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-20269?

Upgrade kexec-tools to 2.0.20-47 or later.

CVE & CISA-KEV Catalog

CVE-2021-20269

MEDIUM

5.5

CVSS v3

NVD

Description

A flaw was found in the permissions of a log file created by kexec-tools. This flaw allows a local unprivileged user to read this file and leak kernel internal information from a previous panic. The highest threat from this vulnerability is to confidentiality. This flaw affects kexec-tools shipped by Fedora versions prior to 2.0.21-8 and RHEL versions prior to 2.0.20-47.

CWE-276

How to fix

Remediation Available

kexec-toolsNVD

Affected:< 2.0.20-47Fixed in:2.0.20-47CVE-2021-20269derived from NVD

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

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.24%probability of exploitation in 30 days

15thpercentile

Low risk: more likely to be exploited than 15% of all known CVEs.

References

Third-Party Advisory1

bugzilla.redhat.com

Related Vulnerabilities

Other CWE-276 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2013-0632	Critical	9.8	94%	KEV	-
CVE-2017-11610	High	8.8	88%	-	Fix
CVE-2023-29919	Critical	9.1	60%	-	-
CVE-2019-17124	Critical	9.8	23%	-	-
CVE-2020-12608	High	7.8	22%	-	Fix
CVE-2021-3437	Critical	9.8	16%	-	Fix

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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.