CVE-2025-27810
March 25, 2025
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.
Affected Packages
https://github.com/Mbed-TLS/mbedtls.git (GITHUB):
Affected version(s) >=v3.0.0 <v3.6.3Fix Suggestion:
Update to version v3.6.3https://github.com/Mbed-TLS/mbedtls.git (GITHUB):
Affected version(s) >=mbedtls-1.3.10 <mbedtls-2.28.10Fix Suggestion:
Update to version mbedtls-2.28.10https://github.com/Mbed-TLS/mbedtls.git (GITHUB):
Affected version(s) >=v2.7.16 <v2.28.10Fix Suggestion:
Update to version v2.28.10https://github.com/Mbed-TLS/mbedtls.git (GITHUB):
Affected version(s) >=mbedtls-3.0.0 <mbedtls-3.6.3Fix Suggestion:
Update to version mbedtls-3.6.3Related Resources (2)
Do you need more information?
Contact UsCVSS v4
Base Score:
6.3
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
LOW
Subsequent System Integrity
LOW
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.4
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Weakness Type (CWE)
Use of Uninitialized Resource
EPSS
Base Score:
0.10