Interactive Graphical Scada System
CVE-2021-22756
HIGH
Vulnerability Assessment
| Weakness |
CWE
ASVS 5.0
V15 - Secure Coding and Architecture Bounds checking, read limits
MITRE ATT&CK
1 technique across 1 tactic: Collection The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 7.8 (HIGH). Attack characteristics: local attack vector, low complexity, no privileges required, user interaction required. |
| Exploit ScenarioDerived | A local attacker with access to the system could read data from memory outside the intended buffer boundaries. No authentication is required to exploit this vulnerability. |
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Alert meAnalysisAI
A CWE-125: Out-of-bounds read vulnerability exists inIGSS Definition (Def.exe) V15.0.0.21140 and prior that could result in disclosure of information or remote code execution due to lack of. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate array indices and buffer lengths. Use memory-safe languages. Enable AddressSanitizer during testing.
Affects your stack
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Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Out-of-bounds Read (CWE-125), which allows attackers to read data from memory outside the intended buffer boundaries. A CWE-125: Out-of-bounds read vulnerability exists inIGSS Definition (Def.exe) V15.0.0.21140 and prior that could result in disclosure of information or remote code execution due to lack of user-supplied data validation, when a malicious CGF file is imported to IGSS Definition. Affected products include: Schneider-Electric Interactive Graphical Scada System.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
A CWE-125: Out-of-bounds read vulnerability exists inIGSS Definition (Def.exe) V15.0.0.21140 and prior that could result in disclosure of information or remote code execution due to lack of user-supplied data validation, when a malicious CGF file is imported to IGSS Definition.
Threat Intelligence Overview
NVD
CVE.org
EPSS
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
A buffer overflow occurs when a program writes more data to a memory buffer than it was allocated to hold, causing the excess data to spill into adjacent memory regions.
Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.
Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.
Affected Products (CPE)NVD
Stack-based buffer overflow in Schneider Electric Interactive Graphical SCADA System (IGSS) 10 and earlier allows remote
A DLL Hijacking issue was discovered in Schneider Electric Interactive Graphical SCADA System (IGSS) Software, Version 1
A CWE-306: Missing Authentication for Critical Function vulnerability exists in the IGSS Update Service that could allow
A CWE-22: Improper Limitation of a Pathname to a Restricted Directory vulnerability exists inIGSS Definition (Def.exe) V
A CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability exists inIGSS Definitio
A CWE-763: Release of invalid pointer or reference vulnerability exists inIGSS Definition (Def.exe) V15.0.0.21140 and pr
A CWE-416: Use after free vulnerability exists inIGSS Definition (Def.exe) V15.0.0.21140 and prior that could result in
A CWE-824: Access of uninitialized pointer vulnerability exists inIGSS Definition (Def.exe) V15.0.0.21140 and prior that
A CWE-125: Out-of-bounds read vulnerability exists inIGSS Definition (Def.exe) V15.0.0.21140 and prior that could result
A CWE-787: Out-of-bounds write vulnerability exists inIGSS Definition (Def.exe) V15.0.0.21140 and prior that could resul
A CWE-787: Out-of-bounds write vulnerability exists inIGSS Definition (Def.exe) V15.0.0.21140 and prior that could resul
A CWE-125: Out-of-bounds read vulnerability exists inIGSS Definition (Def.exe) V15.0.0.21140 and prior that could result
GitHub PoC
Exploit-DB