Is CVE-2023-39908 in the CISA KEV catalog?

No. CVE-2023-39908 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-39908?

CVE-2023-39908 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2023-39908?

CVE-2023-39908 has an EPSS score of 0.48% (38th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-39908?

Upgrade yubihsm 2 sdk to 2023.08 or later.

CVE & CISA-KEV Catalog

CVE-2023-39908

HIGH

7.5

CVSS v3

NVD

Description

The PKCS11 module of the YubiHSM 2 SDK through 2023.01 does not properly validate the length of specific read operations on object metadata. This may lead to disclosure of uninitialized and previously used memory.

CWE-125Out-of-bounds Read

How to fix

Remediation Available

yubihsm 2 sdkNVD

Affected:< 2023.08Fixed in:2023.08CVE-2023-39908derived 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 VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.48%probability of exploitation in 30 days

38thpercentile

Low risk: more likely to be exploited than 38% of all known CVEs.

References

Patch1

yubico.com

Other references1

blog.inhq.net

Related Vulnerabilities

Other CWE-125 (Out-of-bounds Read) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-0160	High	7.5	100%	KEV	Fix
CVE-2025-5777	High	7.5	100%	KEV + Ransom	Fix
CVE-2021-4034	High	7.8	95%	KEV	Fix
CVE-2023-21769	High	7.5	92%	-	Fix
CVE-2023-49285	High	8.6	89%	-	Fix
CVE-2020-8794	Critical	9.8	89%	-	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.