Vulnerability in Trustedfirmware Mbed Tls
CVE-2021-45450
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.
Vulnerability class: POODLE (CVE-2014-3566)
EPSS: 0.011 (63.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Trustedfirmware Mbed_tls — versions 3.0.0
- Fedoraproject Fedora — versions 36, 37
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Third Party Advisory, Release Notes)
- cve@mitre.org (Third Party Advisory, Release Notes)
- cve@mitre.org (vendor-advisory, Mailing List)
- cve@mitre.org (vendor-advisory, Mailing List)
- cve@mitre.org (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-45450?
- CVE-2021-45450 is a high-severity vulnerability in Trustedfirmware Mbed Tls, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 7.5/10. Published 2021-12-21.
- How severe is CVE-2021-45450?
- High severity. CVSS v3 base score is 7.5 out of 10.