CVE-2011-1566

NONECVSS 0.0Weaponized
0.0
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • High exploitation likelihood — EPSS 67%
CISA-KEV: Not listedEPSS: 67%CVSS: —Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
—
EG Score
0.0(none)
EG Risk
0
EG Risk 0/100

EG Risk is EchelonGraph's 0–100 priority score. It fuses intrinsic severity with real-world exploitation and automatability, so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. It is distinct from the 0–10 EG Score, which measures severity.

EPSS
99.2%
KEV
Not listed

Published

April 5, 2011

Last Modified

April 29, 2026

References (12)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 9× in last 7d / 22× 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.

  1. 2026-07-23 01:04 UTCEG score recompute
  2. 2026-07-23 00:40 UTCEG score recompute▼ 6.10
  3. 2026-07-23 00:08 UTCEG score recompute▲ 6.10
  4. 2026-07-22 21:47 UTCEG score recompute
  5. 2026-07-22 14:03 UTCEPSS rescore
  6. 2026-07-20 17:03 UTCEPSS rescore
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  8. 2026-07-19 02:25 UTCEPSS rescore
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  10. 2026-07-16 16:58 UTCEPSS rescore
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  21. 2026-06-27 03:05 UTCEPSS rescore
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  1. 2026-06-23 21:30 UTCEPSS rescore
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  3. 2026-06-18 17:49 UTCEPSS rescore
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  14. 2026-06-10 22:14 UTCEPSS rescore
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  18. 2026-06-06 13:45 UTCEPSS rescore
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  20. 2026-06-05 22:44 UTCEPSS rescore
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  23. 2026-06-01 13:49 UTCEPSS rescore
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  25. 2026-05-31 00:14 UTCEPSS rescore
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  27. 2026-05-29 13:41 UTCEPSS rescore
  28. 2026-05-29 13:40 UTCEPSS rescore
  29. 2026-05-29 08:21 UTCEG score recompute
  30. 2026-05-29 08:21 UTCGHSA enrichment
  31. 2026-05-28 13:42 UTCEPSS rescore
  32. 2026-05-28 13:42 UTCEPSS rescore
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  34. 2026-05-27 13:38 UTCEPSS rescore
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  36. 2026-05-22 21:15 UTCEPSS rescore
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  39. 2026-05-20 22:37 UTCEPSS rescore
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  42. 2026-05-18 21:29 UTCEPSS rescore
  43. 2026-05-18 21:29 UTCEPSS rescore

Publicly available exploits

(4 references)

Working exploit code is in the public domain (2 Metasploit modules) (2 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-29129✓ verified
    First seen Oct 22, 2013

    Interactive Graphical SCADA System - Remote Command Injection (Metasploit)

    Open source ↗
  • Metasploitexploit/windows/scada/igss9_misc✓ verified
    First seen Mar 24, 2011

    7-Technologies IGSS 9 Data Server/Collector Packet Handling Vulnerabilities

    Open source ↗
  • Exploit-DBEDB-17024
    First seen Mar 22, 2011

    7-Technologies IGSS 9.00.00.11059 - Multiple Vulnerabilities

    Open source ↗
  • Metasploitexploit/windows/scada/igss_exec_17✓ verified
    First seen Mar 21, 2011

    Interactive Graphical SCADA System Remote Command Injection

    Open source ↗

Related CVEs(same CWE)

Frequently asked(4)

What is CVE-2011-1566?
CVE-2011-1566 is a none vulnerability published on April 5, 2011. 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.
When was CVE-2011-1566 disclosed?
CVE-2011-1566 was first published in the National Vulnerability Database on April 5, 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-2011-1566 actively exploited?
CVE-2011-1566 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2011-1566?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2011-1566, 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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