What’s Vulnerable › Vulnerabilities

CVE-2021-26407

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-01-11 · updated 2026-06-17
• Weakness: CWE-330

Description

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

Affected products

• AMD Romepi Firmware: before 1.0.0.a — fixed in 1.0.0.a

How to fix

Upgrade to a fixed version: AMD Romepi Firmware 1.0.0.a. Check the vendor advisory for mitigations.

References

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

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