CVE-2011-1566
CriticalPublic exploitDirectory traversal vulnerability in dc.exe 9.00.00.11059 and earlier in 7-Technologies Interactive Graphical SCADA System (IGSS) allows remote attackers to execute arbitrary programs via ..\ (dot dot backslash) sequences in opcodes (1) 0xa and (2) 0x17 to TCP port 12397.
Published Apr 5, 2011 · Updated Apr 28, 2026
Key Facts
Patch immediately- CVE-2011-1566 is a critical-severity vulnerability (CVSS 10.0 v2) affecting Igss (7t).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 67% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v2
10.0
AV:N/AC:L/Au:N/C:C/I:C/A:C
EPSS (30-day exploit likelihood)
67%
Higher than 99.2% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2011-1566 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
Directory traversal vulnerability in dc.exe 9.00.00.11059 and earlier in 7-Technologies Interactive Graphical SCADA System (IGSS) allows remote attackers to execute arbitrary programs via ..\ (dot dot backslash) sequences in opcodes (1) 0xa and (2) 0x17 to TCP port 12397.
Affected Products
1 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Igss7t | See advisory | n/a |
Timeline
Publicly disclosed
Apr 5, 2011
Last updated
Apr 28, 2026
Weakness Type
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
References
- advisory43849
- advisoryADV-2011-0741
- exploitMSF igss9_misc.rb
- exploitMSF igss_exec_17.rb
- exploitExploitDB-17024
FAQ
Common Questions.
Directory traversal vulnerability in dc.exe 9.00.00.11059 and earlier in 7-Technologies Interactive Graphical SCADA System (IGSS) allows remote attackers to execute arbitrary programs via ..\ (dot dot backslash) sequences in opcodes (1) 0xa and (2) 0x17 to TCP port 12397.
Affected: Igss (7t). The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
Is CVE-2011-1566 Running On Your Attack Surface?
Brandefense maps vulnerabilities like this one to your internet-facing assets and tells you exactly where to patch.
Request A Demo