CVE-2019-3951
CRITICAL
9.8
CVSS Score
Published: December 12, 2019 at 08:32 PM UTC
Updated: June 17, 2026 at 02:35 AM UTC
1 product affected across 1 vendorWebAccess
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Severity
CRITICAL9.8
Exploit prediction
EPSS 4%
Description
Advantech WebAccess before 8.4.3 allows unauthenticated remote attackers to execute arbitrary code or cause a denial of service (memory corruption) due to a stack-based buffer overflow when handling IOCTL 70533 RPC messages.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 8.4.38.4.2.
Affected range stops below 8.4.3, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (1)
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://www.tenable.com/security/research/tra-2019-52CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-121CWE-787
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