CVE-2011-4050

NONECVSS 0.0Weaponized

0.0

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.

CVSS v3: —
EG Score: 0.0(none)
EPSS: 97.3%
KEV: Not listed

Published

December 27, 2011

Last Modified

April 29, 2026

References (6)

cret@certhttp://www.osvdb.org/77976
cret@certhttp://www.us-cert.gov/control_systems/pdf/ICSA-11-335-01.pdf
cret@certhttps://exchange.xforce.ibmcloud.com/vulnerabilities/71915
af854a3a-2127-422b-91ae-364da2661108http://www.osvdb.org/77976
af854a3a-2127-422b-91ae-364da2661108http://www.us-cert.gov/control_systems/pdf/ICSA-11-335-01.pdf
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/71915

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-119Buffer Operations Within Bounds (Buffer Overflow)

Data Freshness Timeline

(refreshed 13× in last 7d / 45× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-23 21:30 UTCEPSS rescore
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2026-06-06 13:45 UTCEPSS rescore
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2026-05-29 13:41 UTCEPSS rescore
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2026-05-29 05:54 UTCEG score recompute
2026-05-29 05:54 UTCGHSA enrichment
2026-05-28 13:42 UTCEPSS rescore
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2026-05-18 21:29 UTCEPSS rescore
2026-05-18 21:29 UTCEPSS rescore

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Metasploit module). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Metasploitauxiliary/dos/scada/igss9_dataserver✓ verified
First seen Dec 20, 2011
7-Technologies IGSS 9 IGSSdataServer.exe DoS
Open source ↗

Frequently asked(4)

What is CVE-2011-4050?

CVE-2011-4050 is a none vulnerability published on December 27, 2011. 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.

When was CVE-2011-4050 disclosed?

CVE-2011-4050 was first published in the National Vulnerability Database on December 27, 2011, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2011-4050 actively exploited?

CVE-2011-4050 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 97.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2011-4050?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2011-4050, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2011-4050

📅 Published

🔄 Last Modified

🔗 References (6)

Weakness Classification(1)

Data Freshness Timeline

Publicly available exploits

❓ Frequently asked(4)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2011-4050?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (6)

Frequently asked(4)

Related CVEs(same CWE)