Security readout for executives and security teams
This vulnerability affects Advantech WebAccess HMI Designer, an industrial HMI design tool. Opening or processing a malicious .pm3 project file could corrupt memory and may let an attacker run code. The main concern is compromise of engineering workstations that handle HMI design files. Exposure is most likely on engineering, OT support, or contractor workstations with WebAccess HMI Designer 2.1.7.32 or earlier installed, especially where .pm3 files are exchanged by email, shared drives, portals, or removable media. Treat this as a high-priority OT engineering workstation risk. It is not listed as actively exploited in KEV, but possible code execution through project files can affect systems used to maintain industrial environments. Mitigation focus: Inventory WebAccess HMI Designer installations and prioritize versions 2.1.7.32 and prior.; Check Advantech and CISA advisory guidance for fixed versions or vendor mitigations.; Restrict .pm3 file handling to trusted sources and controlled transfer paths..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CWE-122: Exact CWE lookup
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Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2018-8833 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://ics-cert.us-cert.gov/advisories/ICSA-18-114-03CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Heap-based Buffer Overflow
Heap-based Buffer Overflow represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.