CVE-2021-21824 is a critical out-of-bounds write vulnerability affecting Accusoft ImageGear 19.9, specifically within its JPG Handle_JPEG420 functionality. An unauthenticated attacker can exploit this by providing a specially crafted, malformed JPG file, leading to memory corruption. With a CVSS score of 9.8 (CRITICAL), this vulnerability poses a high risk, allowing for complete compromise of confidentiality, integrity, and availability (C:H/I:H/A:H) with low attack complexity. Despite its severity, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
19.9CPE matchmatch criteria | cpe:2.3:a:accusoft:imagegear:19.9:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
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.