CVE-2021-21798 is a critical return of stack variable address vulnerability affecting the JavaScript implementation in Nitro Pro PDF. This flaw allows an attacker to achieve code execution by convincing a user to open a specially crafted document, leading to the application dereferencing a stale pointer. With a CVSS score of 7.8 (High) and a FAUCET Risk Score of 98/100, it presents a significant risk due to its potential for complete compromise of confidentiality, integrity, and availability. While no public exploits or active exploitation have been observed, and community discussion is minimal, its high EPSS score indicates a substantial likelihood of future exploitation.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
13.31.0.605CPE matchmatch criteria | cpe:2.3:a:gonitro:nitro_pro:13.31.0.605:*:*:*:*:*:*:* | ||
13.33.2.645CPE matchmatch criteria | cpe:2.3:a:gonitro:nitro_pro:13.33.2.645:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 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.