CVE-2021-26354

MEDIUMNVD 5.55.5—Trending — 3 sources updated this week

5.5

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.

CVSS v3: 5.5
EG Score: 5.5(medium)
EPSS: 22.2%
KEV: Not listed

Published

May 9, 2023

Last Modified

January 28, 2025

References (4)

psirt@amdhttps://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3001
psirt@amdhttps://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001
af854a3a-2127-422b-91ae-364da2661108https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3001
af854a3a-2127-422b-91ae-364da2661108https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-120Buffer Copy without Checking Size (Classic Buffer Overflow)

Data Freshness Timeline

(refreshed 9× in last 7d / 9× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-25 01:32 UTCEG score recompute
2026-05-25 01:32 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2021-26354?

CVE-2021-26354 is a medium vulnerability published on May 9, 2023. 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.

When was CVE-2021-26354 disclosed?

CVE-2021-26354 was first published in the National Vulnerability Database on May 9, 2023, with the most recent update on January 28, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-26354 actively exploited?

CVE-2021-26354 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 22.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-26354?

CVE-2021-26354 has a CVSS v3 base score of 5.5 (NVD).

How do I remediate CVE-2021-26354?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-26354, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2021-26354

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CVE-2021-26354

📅 Published

🔄 Last Modified

🔗 References (4)