CVE-2021-38448

HIGHNVD 7.57.6▲

7.5

The affected controllers do not properly sanitize the input containing code syntax. As a result, an attacker could craft code to alter the intended controller flow of the software.

CVSS v3: 7.5
EG Score: 7.6(medium)
EPSS: 31.7%
KEV: Not listed

Published

November 22, 2021

Last Modified

November 21, 2024

References (2)

ics-cert@hqhttps://us-cert.cisa.gov/ics/advisories/icsa-21-266-01
af854a3a-2127-422b-91ae-364da2661108https://us-cert.cisa.gov/ics/advisories/icsa-21-266-01

Weakness Classification(1)

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

CWE-94Improper Control of Generation of Code (Code Injection)

Data Freshness Timeline

(refreshed 14× 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.

2026-06-06 13:46 UTCepss_batch
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2026-06-05 22:45 UTCepss_batch
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2026-05-31 22:29 UTCepss_batch
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2026-05-28 13:43 UTCepss_batch
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Frequently asked(5)

What is CVE-2021-38448?

CVE-2021-38448 is a high vulnerability published on November 22, 2021. The affected controllers do not properly sanitize the input containing code syntax. As a result, an attacker could craft code to alter the intended controller flow of the software.

When was CVE-2021-38448 disclosed?

CVE-2021-38448 was first published in the National Vulnerability Database on November 22, 2021, 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-2021-38448 actively exploited?

CVE-2021-38448 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 31.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-38448?

CVE-2021-38448 has a CVSS v3 base score of 7.5 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 7.6.

How do I remediate CVE-2021-38448?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-38448, 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

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CVE-2021-38448

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-38448?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)