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CVE-2011-2962

27
FAUCET Score

CVE-2011-2962 describes multiple stack-based buffer overflows in Invensys Wonderware Information Server versions 3.1, 4.0, and 4.0 SP1, specifically impacting two unspecified ActiveX controls. This vulnerability carries a critical CVSS score of 9.3, indicating a high risk of remote attackers causing a denial of service or potentially executing arbitrary code with medium attack complexity. Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
3.1CPE matchmatch criteria
cpe:2.3:a:invensys:wonderware_information_server:3.1:*:*:*:*:*:*:*
4.0CPE matchmatch criteria
cpe:2.3:a:invensys:wonderware_information_server:4.0:*:*:*:*:*:*:*
4.0CPE matchmatch criteria
cpe:2.3:a:invensys:wonderware_information_server:4.0:sp1:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

9.3HIGH

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

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
4.56%
Probability of exploitation in next 30 days
EPSS Percentile
90.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0456 is in the 56th percentile among its peer group of 8,914 CVEs.

Social Chatter

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.

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

secunia.com / advisories/45476
exchange.xforce.ibmcloud.com / vulnerabilities/68988
securityfocus.com / bid/48976
us-cert.gov / control_systems/pdf/ICSA-11-195-01.pdf
US Government Resource