CVE-2021-45451

View on CVE.org

Published Dec 21, 2021 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed

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.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*

Configuration 2 [-]

OR	cpe:2.3:o:fedoraproject:fedora:36:::::::*
	cpe:2.3:o:fedoraproject:fedora:37:::::::*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2021-32222	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.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.954% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/ARMmbed/mbedtls/releases/tag/v3.1.0
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IL66WKJGXY5AXMTFE7QDMGL3RIBD6PX5/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TALJHOYAYSUJTLN6BYGLO4YJGNZUY74W/

History

No history.

Subscriptions

Arm Mbed Tls

Fedoraproject Fedora

Weaknesses

CWE-327

Sources

CVE record Updated: Aug 4, 2024, 4:39 AM

Status: PUBLISHED
Assigner: mitre
Published: Dec 21, 2021, 12:00 AM
Updated: Aug 4, 2024, 4:39 AM
Reserved: Dec 21, 2021, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 4:13 AM

Status: Modified
Published: Dec 21, 2021, 7:15 AM
Modified: Jun 17, 2026, 4:13 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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