CVE-2023-5138

Q: How do I fix CVE-2023-5138?

Upgrade gecko software development kit to 4.4.0 or later.

Q: Is CVE-2023-5138 being actively exploited?

Not that we know of. CVE-2023-5138 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.27% is the estimated probability that it will be exploited in the next 30 days. That is higher than 19% of all scored CVEs.

Q: How severe is CVE-2023-5138?

CVE-2023-5138 has a CVSS v3 base score of 6.8, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

Q: What does CVE-2023-5138 affect?

Published advisories record a fix for gecko software development kit (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

MEDIUM

6.8

CVSS v3

NVD

Description

Glitch detection is not enabled by default for the CortexM33 core in Silicon Labs secure vault high parts EFx32xG2xB, except EFR32xG21B.

CWE-1319 CWE-909

How to fix

Remediation Available

gecko software development kitNVD

Affected:>= 1.0.0, < 4.4.0Fixed in:4.4.0CVE-2023-5138derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

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 VectorPhysical

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.27%probability of exploitation in 30 days

19thpercentile

Low risk: more likely to be exploited than 19% of all known CVEs.

References

Product1

github.com

Other references1

community.silabs.com

Related Vulnerabilities

Other CWE-1319 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2022-26131	Critical	9.3	1.3%	-	-
CVE-2024-31510	Critical	9.8	0.6%	-	-
CVE-2022-42784	High	7.6	0.2%	-	-
CVE-2025-9709	Unscored	-	0.2%	-	-
CVE-2025-1566	High	7.5	0.2%	-	-

Common questions

How do I fix CVE-2023-5138?

Upgrade gecko software development kit to 4.4.0 or later.

Is CVE-2023-5138 being actively exploited?

Not that we know of. CVE-2023-5138 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.27% is the estimated probability that it will be exploited in the next 30 days. That is higher than 19% of all scored CVEs.

How severe is CVE-2023-5138?

CVE-2023-5138 has a CVSS v3 base score of 6.8, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2023-5138 affect?

Published advisories record a fix for gecko software development kit (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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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.