CVE-2021-45979

HIGHNVD 7.87.8—

7.8

Foxit PDF Reader and PDF Editor before 11.1 on macOS allow remote attackers to execute arbitrary code via app.launchURL in the JavaScript API.

CVSS v3: 7.8
EG Score: 7.8(medium)
EPSS: 85.1%
KEV: Not listed

Published

January 4, 2022

Last Modified

November 21, 2024

References (6)

cve@mitrehttps://github.com/dlehgus1023
cve@mitrehttps://github.com/dlehgus1023/CVE/tree/master/CVE-2021-45979
cve@mitrehttps://www.foxit.com/support/security-bulletins.html
af854a3a-2127-422b-91ae-364da2661108https://github.com/dlehgus1023
af854a3a-2127-422b-91ae-364da2661108https://github.com/dlehgus1023/CVE/tree/master/CVE-2021-45979
af854a3a-2127-422b-91ae-364da2661108https://www.foxit.com/support/security-bulletins.html

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 11× 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-2021-45979?

CVE-2021-45979 is a high vulnerability published on January 4, 2022. Foxit PDF Reader and PDF Editor before 11.1 on macOS allow remote attackers to execute arbitrary code via app.launchURL in the JavaScript API.

When was CVE-2021-45979 disclosed?

CVE-2021-45979 was first published in the National Vulnerability Database on January 4, 2022, 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-2021-45979 actively exploited?

CVE-2021-45979 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 85.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-45979?

CVE-2021-45979 has a CVSS v3 base score of 7.8 (NVD).

How do I remediate CVE-2021-45979?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-45979, 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-2021-45979

📅 Published

🔄 Last Modified

🔗 References (6)

Weakness Classification(2)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-45979?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (6)

Frequently asked(5)

Related CVEs(same CWE)