PT-2021-24238 · Mbed Tls+1 · Mbed Tls+1
Published
2021-12-18
·
Updated
2025-08-21
·
CVE-2021-45450
CVSS v3.1
7.5
High
| Vector | AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
Name of the Vulnerable Software and Affected Versions:
Mbed TLS versions prior to 2.28.0
Mbed TLS versions 3.x prior to 3.1.0
Description:
The issue allows policy bypass or oracle-based decryption when the output buffer is at memory locations accessible to an untrusted application, specifically affecting the
psa cipher generate iv and psa cipher encrypt functions.Recommendations:
For Mbed TLS versions prior to 2.28.0, update to version 2.28.0 or later.
For Mbed TLS versions 3.x prior to 3.1.0, update to version 3.1.0 or later.
As a temporary workaround, consider restricting access to the
psa cipher generate iv and psa cipher encrypt functions until a patch is available.Fix
Use of a Broken Cryptographic Algorithm
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Weakness Enumeration
Related Identifiers
Affected Products
Alt Linux
Mbed Tls