Improper authentication in mbed TLS - CVE-2025-27810
Published: March 25, 2025
Vulnerability identifier: #VU106011
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-27810
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: ARM
Affected software:
mbed TLS
mbed TLS
Detailed vulnerability description
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to an error when handling memory allocations during TLS handshake. A remote attacker with ability to trigger memory allocation failures or cryptographic hardware failures can impersonate a legitimate peer by tampering with handshake messages.
How to mitigate CVE-2025-27810
Install updates from vendor's website.