CVE-2021-33795

MEDIUMNVD 5.55.5—

5.5

Foxit Reader before 10.1.4 and PhantomPDF before 10.1.4 produce incorrect PDF document signatures because the certificate name, document owner, and signature author are mishandled.

CVSS v3: 5.5
EG Score: 5.5(medium)
EPSS: 6.9%
KEV: Not listed

Published

July 9, 2021

Last Modified

November 21, 2024

References (2)

cve@mitrehttps://www.foxitsoftware.com/support/security-bulletins.html
af854a3a-2127-422b-91ae-364da2661108https://www.foxitsoftware.com/support/security-bulletins.html

Weakness Classification(1)

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

CWE-755Improper Handling of Exceptional Conditions

Data Freshness Timeline

(refreshed 9× in last 7d / 9× 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 13:59 UTCEG score recompute
2026-05-26 13:59 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

Frequently asked(5)

What is CVE-2021-33795?

CVE-2021-33795 is a medium vulnerability published on July 9, 2021. Foxit Reader before 10.1.4 and PhantomPDF before 10.1.4 produce incorrect PDF document signatures because the certificate name, document owner, and signature author are mishandled.

When was CVE-2021-33795 disclosed?

CVE-2021-33795 was first published in the National Vulnerability Database on July 9, 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-2021-33795 actively exploited?

CVE-2021-33795 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 6.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-33795?

CVE-2021-33795 has a CVSS v3 base score of 5.5 (NVD).

How do I remediate CVE-2021-33795?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-33795, 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-2021-33795

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CVE-2021-33795

📅 Published

🔄 Last Modified

🔗 References (2)