CVE-2011-4050

mediumpriority · track · 37EPSS 0.201 · 97 %ileexploit · functionalEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · functional

Likely / severe?

20.1% (97th) EPSS

CVSS 5 · medium

Is it mine?

4 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cisa_csaf_ot · nvd

EPSS · scored 2026-10-27

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.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

No vendor fix yet; a mitigation is available.

Mitigation7T IGSS Data Servercisa_csaf_ot
7T has developed a patch to address this vulnerability and has provided the following options to customers who wish to update their systems: 1. In the IGSSMaster application, select the menu item “Information and Support” and click “Update IGSS Software.” This will automatically download and install the updated module. This is the preferred method for updating the IGSS installation when the host computer has Internet access. 2. Access the update either by using the direct link or the instructions below: Direct link: (http://www.7t.dk/igss/igssupdates/v90/progupdatesv90.zip)
http://www.7t.dk/igss/igssupdates/v90/progupdatesv90.zip

cvss

Technical severity, 0–10. One row per scoring source.

5.0

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 10 · impact 2.9

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Psecondary · CISA US

v2.04.8mediumAV:N/AC:L/Au:N/C:N/I:N/A:P/E:Fsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-119USprimaryCWE-119US

exploits (1)

Public proof-of-concept and weaponised exploit code.

auxiliary/dos/scada/igss9_dataserver7-Technologies IGSS 9 IGSSdataServer.exe DoSfunctional · metasploit

affected products (4)

Products and version ranges known to be affected.

7T 7T IGSS Data Server: 9.0.0.11200all versionscisa_csaf_otUS
7T 7T IGSS Data Serverall versionscisa_csaf_otUS
n/a n/a≤ n/aenisa_euvdEU
7t igss= 9.0.0.11200nvdUScpe:2.3:a:7t:igss:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

ICSA-11-335-017-Technologies Data Server Denial of Service2011-09-03icsa · cisa_csaf_otUS
This CSAF advisory was extracted from unstructured data and may contain inaccuracies. If you notice any errors, please reach out to the designated contact at CISA CSAF: central@cisa.dhs.gov

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cisa_csaf_ot nvd NVD CVE.org MITRE

published 2011-12-27modified 2026-06-16

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+21023 more

references (11)

External citations — patches, advisories, analysis.

scry

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