CVEvulnerability
CVE-2021-45450
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-12-21
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:P/I:N/A:N
- Weaknesses
- CWE-327
Description
In Mbed TLS before 2.28.0 and 3.x before 3.1.0, psa_cipher_generate_iv and psa_cipher_encrypt allow policy bypass or oracle-based decryption when the output buffer is at memory locations accessible to an untrusted application.
Affected configurations
• trustedfirmware mbed tls (>= 2.22.0 < 2.28.0)
• trustedfirmware mbed tls 3.0.0
• fedoraproject fedora 36
• fedoraproject fedora 37
Related
Weakness · CWE (1)
- CWE-327 Use of a Broken or Risky Cryptographic Algorithm weakness
References
- https://github.com/ARMmbed/mbedtls/releases/tag/v2.28.0 Release Notes, Third Party Advisory
- https://github.com/ARMmbed/mbedtls/releases/tag/v3.1.0 Release Notes, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IL66WKJGXY5AXMTFE7QDMGL3RIBD6PX5/ Mailing List
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TALJHOYAYSUJTLN6BYGLO4YJGNZUY74W/ Mailing List
- https://security.gentoo.org/glsa/202301-08 Third Party Advisory
- https://github.com/ARMmbed/mbedtls/releases/tag/v2.28.0 Release Notes, Third Party Advisory
- https://github.com/ARMmbed/mbedtls/releases/tag/v3.1.0 Release Notes, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IL66WKJGXY5AXMTFE7QDMGL3RIBD6PX5/ Mailing List
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TALJHOYAYSUJTLN6BYGLO4YJGNZUY74W/ Mailing List
- https://security.gentoo.org/glsa/202301-08 Third Party Advisory