CVE-2021-42796

CRITICALNVD 9.89.8—

9.8

An issue was discovered in ExecuteCommand() in AVEVA Edge (formerly InduSoft Web Studio) versions R2020 and prior that allows unauthenticated arbitrary commands to be executed.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 31.3%
KEV: Not listed

Published

December 16, 2023

Last Modified

November 21, 2024

References (4)

cve@mitrehttps://www.aveva.com/en/products/edge/
cve@mitrehttps://www.cisa.gov/news-events/ics-advisories/icsa-22-326-01
af854a3a-2127-422b-91ae-364da2661108https://www.aveva.com/en/products/edge/
af854a3a-2127-422b-91ae-364da2661108https://www.cisa.gov/news-events/ics-advisories/icsa-22-326-01

Weakness Classification(1)

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

CWE-78OS Command Injection

Data Freshness Timeline

(refreshed 13× in last 7d / 20× 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.

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Frequently asked(5)

What is CVE-2021-42796?

CVE-2021-42796 is a critical vulnerability published on December 16, 2023. An issue was discovered in ExecuteCommand() in AVEVA Edge (formerly InduSoft Web Studio) versions R2020 and prior that allows unauthenticated arbitrary commands to be executed.

When was CVE-2021-42796 disclosed?

CVE-2021-42796 was first published in the National Vulnerability Database on December 16, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-42796 actively exploited?

CVE-2021-42796 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 31.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-42796?

CVE-2021-42796 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2021-42796?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-42796, 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.

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CVE-2021-42796

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-42796?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (4)

Frequently asked(5)

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