CVE-2021-26605 is a critical improper input validation vulnerability in ezPDFReader, affecting both Microsoft Windows and Unidocs ezPDFReader. This flaw allows an unauthenticated attacker to execute arbitrary commands by sending specially crafted input values via JSON-RPC communication to the ezPDF launcher. With a CVSS score of 9.8, it presents a severe risk of complete compromise (confidentiality, integrity, and availability). While there is no evidence of active exploitation, nor publicly available exploit code in Metasploit, Nuclei, or ExploitDB, the vulnerability has garnered significant community discussion, indicating potential interest.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 2.0, <= 3.0CPE matchmatch criteria | cpe:2.3:a:unidocs:ezpdfreader:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.