Is CVE-2023-23908 in the CISA KEV catalog?

No. CVE-2023-23908 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-23908?

CVE-2023-23908 has a CVSS v3 base score of 6.0 (MEDIUM).

What is the EPSS score for CVE-2023-23908?

CVE-2023-23908 has an EPSS score of 0.31% (23th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-23908?

Upgrade intel-microcode on debian 11 to 3.20230808.1~deb11u1 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2023-23908

MEDIUM

6.0

CVSS v3

NVD

Description

Improper access control in some 3rd Generation Intel(R) Xeon(R) Scalable processors may allow a privileged user to potentially enable information disclosure via local access.

CWE-284Improper Access Control

How to fix

Remediation Available

intel-microcodeDebian

Fixed in:3.20230808.1~deb11u1CVE-2023-23908

Fixed in:3.20230808.1~deb12u1CVE-2023-23908

Fixed in:3.20230808.1CVE-2023-23908

intel-microcodeUbuntu

Fixed in:3.20230808.0ubuntu0.16.04.1+esm1USN-6286-1

Fixed in:3.20230808.0ubuntu0.18.04.1+esm1USN-6286-1

Fixed in:3.20230808.0ubuntu0.20.04.1USN-6286-1

Fixed in:3.20230808.0ubuntu0.22.04.1USN-6286-1

Fixed in:3.20230808.0ubuntu1USN-6286-1

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 RequiredHigh

User InteractionNone

ScopeChanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.31%probability of exploitation in 30 days

23rdpercentile

Low risk: more likely to be exploited than 23% of all known CVEs.

References

Vendor Advisory1

intel.com

Third-Party Advisory4

Other references1

security.netapp.com

Related Vulnerabilities

Other CWE-284 (Improper Access Control) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-27350	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2019-1653	High	7.5	100%	KEV	-
CVE-2023-23752	Medium	5.3	100%	KEV	Fix
CVE-2023-29298	High	7.5	100%	KEV	-
CVE-2023-38205	High	7.5	100%	KEV	-
CVE-2024-27348	Critical	9.8	99%	KEV	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.