CVE-2021-32954

MEDIUMNVD 6.56.5—

6.5

Advantech WebAccess/SCADA Versions 9.0.1 and prior is vulnerable to a directory traversal, which may allow an attacker to remotely read arbitrary files on the file system.

CVSS v3: 6.5
EG Score: 6.5(medium)
EPSS: 43.2%
KEV: Not listed

Published

June 18, 2021

Last Modified

November 21, 2024

References (2)

ics-cert@hqhttps://us-cert.cisa.gov/ics/advisories/icsa-21-168-03
af854a3a-2127-422b-91ae-364da2661108https://us-cert.cisa.gov/ics/advisories/icsa-21-168-03

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 10× in last 7d / 10× 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.

2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 14:45 UTCEG score recompute
2026-05-26 14:45 UTCGHSA enrichment
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-25 23:46 UTCOSV refresh

Frequently asked(5)

What is CVE-2021-32954?

CVE-2021-32954 is a medium vulnerability published on June 18, 2021. Advantech WebAccess/SCADA Versions 9.0.1 and prior is vulnerable to a directory traversal, which may allow an attacker to remotely read arbitrary files on the file system.

When was CVE-2021-32954 disclosed?

CVE-2021-32954 was first published in the National Vulnerability Database on June 18, 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-2021-32954 actively exploited?

CVE-2021-32954 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 43.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-32954?

CVE-2021-32954 has a CVSS v3 base score of 6.5 (NVD).

How do I remediate CVE-2021-32954?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-32954, 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-2021-32954

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Is Your Infrastructure Affected by CVE-2021-32954?

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CVE-2021-32954

📅 Published

🔄 Last Modified

🔗 References (2)