CVE-2025-27810

MEDIUM

ARM Mbed TLS < 2.28.10 - Use of Uninitialized Resource

Title source: rule
STIX 2.1

Description

Mbed TLS before 2.28.10 and 3.x before 3.6.3, in some cases of failed memory allocation or hardware errors, uses uninitialized stack memory to compose the TLS Finished message, potentially leading to authentication bypasses such as replays.

Scores

CVSS v3 5.4
EPSS 0.0010
EPSS Percentile 26.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-908
Status published
Products (1)
arm/mbed_tls < 2.28.10
Published Mar 25, 2025
Tracked Since Feb 18, 2026