What is CVE-2011-4050?

CVE-2011-4050 is a vulnerability in 7t Igss, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2011-12-27.

Is CVE-2011-4050 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in 7t Igss

CVE-2011-4050

Buffer overflow in 7-Technologies (7T) Interactive Graphical SCADA System (IGSS) 9.0.0.11200 allows remote attackers to cause a denial of service via a crafted packet to TCP port 12401.

Vulnerability class: Buffer Overflow

Published 2011-12-27 · last modified 2026-06-16.

CVSS v2 metric

CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.201 (97.4th percentile), scored 2026-10-20.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 97.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.201 · newest: 0.201 · change: 0.000

Affected products

7t Igss — versions 9.0.0.11200

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

Public proof-of-concept exploits

rapid7/metasploit-framework

References

exchange.xforce.ibmcloud.com/vulnerabilities/71915 (vdb-entry)
www.us-cert.gov/control_systems/pdf/ICSA-11-335-01.pdf (US Government Resource, Patch)
www.osvdb.org/77976 (vdb-entry)

Frequently asked questions

What is CVE-2011-4050?: CVE-2011-4050 is a vulnerability in 7t Igss, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2011-12-27.
Is CVE-2011-4050 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.