CVE-2021-20030

HIGHNVD 7.57.5—

7.5

SonicWall GMS is vulnerable to file path manipulation resulting that an unauthenticated attacker can gain access to web directory containing application's binaries and configuration files.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 78.8%
KEV: Not listed

Published

October 13, 2022

Last Modified

May 16, 2025

References (2)

PSIRT@sonicwallhttps://psirt.global.sonicwall.com/vuln-detail/SNWLID-2022-0021
af854a3a-2127-422b-91ae-364da2661108https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2022-0021

Weakness Classification(1)

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

CWE-22Path Traversal

Data Freshness Timeline

(refreshed 15× 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-2021-20030?

CVE-2021-20030 is a high vulnerability published on October 13, 2022. SonicWall GMS is vulnerable to file path manipulation resulting that an unauthenticated attacker can gain access to web directory containing application's binaries and configuration files.

When was CVE-2021-20030 disclosed?

CVE-2021-20030 was first published in the National Vulnerability Database on October 13, 2022, with the most recent update on May 16, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-20030 actively exploited?

CVE-2021-20030 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 78.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-20030?

CVE-2021-20030 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2021-20030?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-20030, 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-2021-20030

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-20030?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)