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CVE-2011-3498

43
FAUCET Score

CVE-2011-3498 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 and potentially execute arbitrary code by sending a crafted, long request to the affected systems. With a CVSS score of 10.0, indicating maximum severity, the vulnerability is easily exploitable over the network with low attack complexity, leading to complete compromise of confidentiality, integrity, and availability. While not listed on CISA's KEV catalog, public exploit code exists (EDB-17842), though there is no evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(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 Data

CVSS version used by this source: 2.0

10.0HIGH

AV:N/AC:L/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
10.26%
Probability of exploitation in next 30 days
EPSS Percentile
95.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
ExploitDB: EDB-17842 · Sep 14, 2011
This CVE's current EPSS score of 0.1026 is in the 92nd percentile among its peer group of 51,485 CVEs.

Social Chatter

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.

Media 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

Remediation records are not available for this CVE.

References

aluigi.altervista.org / adv/movicon_1-adv.txt
Exploit
exchange.xforce.ibmcloud.com / vulnerabilities/69788
us-cert.gov / control_systems/pdf/ICS-ALERT-11-256-01.pdf
US Government Resource