CVE-2021-39426 is a critical arbitrary PHP code execution vulnerability affecting Seacms version 11.4. An unauthenticated attacker can exploit this by manipulating the 'notify1' parameter within the 'admin_notify.php' script when the 'action' parameter is set to 'set'. This flaw carries a CVSS score of 9.8, indicating a severe risk with network-based exploitation, low attack complexity, and high impact on confidentiality, integrity, and availability. While no active exploitation, public exploit code, or significant community discussion has been observed, the vulnerability remains a significant threat due to its critical severity.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
11.4CPE matchmatch criteria | cpe:2.3:a:seacms:seacms:11.4:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/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.