CVE-2021-26407 - Vulnerability Details - OpenCVE

Description

A randomly generated Initialization Vector (IV) may lead to a collision of IVs with the same key potentially resulting in information disclosure.

Published: 2023-01-10

Score: 5.5 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

No analysis available yet.

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

Vendor Product Default status Versions

AMD

2nd Gen EPYC

unaffected

Version	Status	Constraints
`various`	affected	—

Configuration 1 [-]

AND

cpe:2.3:o:amd:romepi_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:amd:romepi:-:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No remediation available yet.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2021-13213	A randomly generated Initialization Vector (IV) may lead to a collision of IVs with the same key potentially resulting in information disclosure.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00064.

Exploitation none

Automatable no

Technical Impact partial

References

Link	Providers
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032

History

Tue, 08 Apr 2025 21:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Subscriptions

Amd Romepi Romepi Firmware

MITRE

Status: PUBLISHED

Assigner: AMD

Published: 2023-01-10T20:56:45.757Z

Updated: 2025-04-08T20:19:44.675Z

Reserved: 2021-01-29T21:24:26.171Z

Link: CVE-2021-26407

Vulnrichment

Updated: 2024-08-03T20:26:25.463Z

NVD

Status : Modified

Published: 2023-01-11T08:15:11.693

Modified: 2025-04-08T21:15:43.920

Link: CVE-2021-26407

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-330

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