CVE-2023-41097 MEDIUM

CVE-2023-41097: Potential Timing vulnerability in CBC PKCS7 padding calculations

Vendor Silabs.com
Product GSDK
Weakness CWE-208
Published December 21, 2023
Last update April 23, 2025

CVSS base score

4.6/10
Attack vector Physical
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity None

CVSS vector

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

What the vulnerability does

01Description

An Observable Timing Discrepancy, Covert Timing Channel vulnerability in Silabs GSDK on ARM potentially allows Padding Oracle Crypto Attack on CBC PKCS7.This issue affects GSDK: through 4.4.0.

Key dates

02Disclosure timeline

December 21, 2023 CVE published
April 23, 2025 Record updated