Is CVE-2023-4041 in the CISA KEV catalog?

No. CVE-2023-4041 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-4041?

CVE-2023-4041 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2023-4041?

CVE-2023-4041 has an EPSS score of 0.33% (25th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-4041?

Upgrade gecko bootloader to 4.3.2 or later.

CVE & CISA-KEV Catalog

CVE-2023-4041

CRITICAL

9.8

CVSS v3

NVD

Description

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow'), Out-of-bounds Write, Download of Code Without Integrity Check vulnerability in Silicon Labs Gecko Bootloader on ARM (Firmware Update File Parser modules) allows Code Injection, Authentication Bypass.This issue affects "Standalone" and "Application" versions of Gecko Bootloader.

CWE-120Classic Buffer Overflow CWE-787Out-of-bounds Write CWE-913 CWE-494

How to fix

Remediation Available

gecko bootloaderNVD

Affected:>= 4.3.0, < 4.3.2Fixed in:4.3.2CVE-2023-4041derived 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

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.33%probability of exploitation in 30 days

25thpercentile

Low risk: more likely to be exploited than 25% of all known CVEs.

References

Other references1

siliconlabs.lightning.force.com

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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.