CVE-2021-45450 : In Mbed TLS before 2.28.0 and 3.x before 3.1.0, psa_cipher_generate_iv and psa

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 2021-12-21 07:15:07

Updated 2023-11-21 16:29:39

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2021-45450

Fedoraproject » Fedora » Version: 36
cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*
Matching versions
Fedoraproject » Fedora » Version: 37
cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*
Matching versions
ARM » Mbed Tls
Versions from including (>=) 2.22.0 and before (<) 2.28.0
cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*
Matching versions
ARM » Mbed Tls » Version: 3.0.0
cpe:2.3:a:arm:mbed_tls:3.0.0:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2021-45450

EPSS FAQ

0.04%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 7 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-45450

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:P/I:N/A:N	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: None Availability Impact: None
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: None Availability: None

CWE ids for CVE-2021-45450

CWE-327 Use of a Broken or Risky Cryptographic Algorithm

The product uses a broken or risky cryptographic algorithm or protocol.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-45450

https://security.gentoo.org/glsa/202301-08

Mbed TLS: Multiple Vulnerabilities (GLSA 202301-08) — Gentoo security
Third Party Advisory

CVEs referencing this url
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TALJHOYAYSUJTLN6BYGLO4YJGNZUY74W/

[SECURITY] Fedora 36 Update: mbedtls-2.28.1-1.fc36 - package-announce - Fedora Mailing-Lists
Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TALJHOYAYSUJTLN6BYGLO4YJGNZUY74W/

[SECURITY] Fedora 36 Update: mbedtls-2.28.1-1.fc36 - package-announce - Fedora Mailing-Lists
Mailing List;Third Party Advisory

CVEs referencing this url
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IL66WKJGXY5AXMTFE7QDMGL3RIBD6PX5/

[SECURITY] Fedora 37 Update: mbedtls-2.28.1-1.fc37 - package-announce - Fedora Mailing-Lists
Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IL66WKJGXY5AXMTFE7QDMGL3RIBD6PX5/

[SECURITY] Fedora 37 Update: mbedtls-2.28.1-1.fc37 - package-announce - Fedora Mailing-Lists
Mailing List;Third Party Advisory

CVEs referencing this url
https://github.com/ARMmbed/mbedtls/releases/tag/v2.28.0

Release Mbed TLS 2.28.0 · ARMmbed/mbedtls · GitHub
Release Notes;Third Party Advisory

CVEs referencing this url
https://github.com/ARMmbed/mbedtls/releases/tag/v3.1.0

Release Mbed TLS 3.1.0 · ARMmbed/mbedtls · GitHub
Release Notes;Third Party Advisory

CVEs referencing this url

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Vulnerability Details : CVE-2021-45450

Products affected by CVE-2021-45450

Exploit prediction scoring system (EPSS) score for CVE-2021-45450

CVSS scores for CVE-2021-45450

CWE ids for CVE-2021-45450

References for CVE-2021-45450