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TI-2021-08323 Aliases CVE-2021-26605GHSA-454x-8f5c-p2fv

unidocs ezPDFReader arbitrary command execution vulnerability

Priority MEDIUM 44CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

An improper input validation vulnerability in the service of ezPDFReader allows attacker to execute arbitrary command. This issue occurred when the ezPDF launcher received and executed crafted input values through JSON-RPC communication.

Why it matters now

EPSS 0.01049 64th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
UNIDOCSezPDFReader2.0 ~ 3.0—No fix listedCNA
  • ezPDFReader VendorUNIDOCS Affected 2.0 ~ 3.0 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:unidocs:ezpdfreader:*:*:*:*:*:*:*:*2.0 – 3.0VulnerableUNIDOCS
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
  • cpe:2.3:a:unidocs:ezpdfreader:*:*:*:*:*:*:*:* Versions 2.0 – 3.0 Vulnerable ·UNIDOCS
  • cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-26605
  2. 2026-10-03 Alias added: GHSA-454x-8f5c-p2fv

References

Advisory 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences