Vulnerability Monitor

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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.


Published

2021-12-21T07:15:06.727

Last Modified

2024-11-21T06:32:14.017

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:N/A:N

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: NONE
  • Availability Impact: NONE
Exploitability Score

10.0

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-327

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application arm mbed_tls < 2.28.0 Yes
Application arm mbed_tls 3.0.0 Yes
Operating System fedoraproject fedora 36 Yes
Operating System fedoraproject fedora 37 Yes

References