CVE-2021-45451

At a glance

Severity: Not available
EPSS: EPSS 0.95 % · percentile 61 (2026-10-27)
State: PUBLISHED
Published: 2021-12-21
Updated: 2024-08-04
Assigner: mitre
NVD status: Modified

Description

In Mbed TLS before 3.1.0, psa_aead_generate_nonce allows policy bypass or oracle-based decryption when the output buffer is at memory locations accessible to an untrusted application.

Scores

Version	Score	Vector	Scored by
CVSS 3.1	HIGH 7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	NVD · nvd@nist.gov (Primary)
CVSS 2.0	MEDIUM 5.0	AV:N/AC:L/Au:N/C:P/I:N/A:N	NVD · nvd@nist.gov (Primary)

Weaknesses (CWE)

CWE-327

European references

ENISA EUVD · EUVD-2021-32222
GCVE · GCVE-0-2021-45451

CERT-FR advisories

CERTFR-2024-AVI-0119 — Multiples vulnérabilités dans les produits Siemens · cert.ssi.gouv.fr

Affected configurations (NVD CPE)

cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:* < 3.1.0
cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*

Affected products

Product	Versions
	affected n/a

References

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD