CVE-2021-26354

Insufficient bounds checking in ASP may allow an attacker to issue a system call from a...

5.5 Medium

Insufficient bounds checking in ASP may allow an attacker to issue a system call from a compromised ABL which may cause arbitrary memory values to be initialized to zero, potentially leading to a loss of integrity.

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: High
Availability: None

Exploit likelihood

0.18%Up 0.1 points since May 10, 2023

What each source reports

NVD Score used 5.5

Record: CVE-2021-26354
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Weakness: CWE-120
Updated: 2026-11-02

CVE List 5.5

Record: CVE-2021-26354
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Weakness: CWE-120
Updated: 2026-11-02

EUVDEUVD-2021-13160 5.5

Record: EUVD-2021-13160
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Updated: 2026-11-03

GitHub AdvisoriesGHSA-v3h7-q6cc-vp5h 5.5

Insufficient bounds checking in ASP may allow an attacker to issue a system call from a...

Record: GHSA-v3h7-q6cc-vp5h
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Weakness: CWE-120
Updated: 2026-11-02

Affected products

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History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases, published	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-26354 is a medium vulnerability (CVSS 5.5) in Amd 2nd Gen Amd Epyc™ Processors, published May 9, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.18%, the 7th percentile. No source names a fixed version.