CVE-2011-3491 describes a critical heap-based buffer overflow vulnerability in Progea Movicon / PowerHMI versions 11.2.1085 and earlier. This flaw allows unauthenticated remote attackers to trigger a denial of service (crash) and potentially execute arbitrary code by sending a specially crafted request with a negative Content-Length field. With a CVSS score of 10.0, this vulnerability is considered highly severe, indicating a complete compromise of confidentiality, integrity, and availability with low attack complexity. While no active exploitation has been confirmed and it's not listed in CISA's KEV catalog, a public exploit (EDB-17842) exists, and despite its age, it has received minimal community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 11.2.1085CPE matchmatch criteria | cpe:2.3:a:progea:movicon_powerhmi:*:*:*:*:*:*:*:* | ||
11CPE matchmatch criteria | cpe:2.3:a:progea:movicon_powerhmi:11:*:*:*:*:*:*:* | ||
11.0.1017CPE matchmatch criteria | cpe:2.3:a:progea:movicon_powerhmi:11.0.1017:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:C/I:C/A:C
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.