CVE-2020-12002
9.8
CRITICAL · CVSS 3.1 · EPSS 9.1% (pctl 95)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
Description
Advantech WebAccess Node, Version 8.4.4 and prior, Version 9.0.0. Multiple stack-based buffer overflow vulnerabilities exist caused by a lack of proper validation of the length of user-supplied data, which may allow remote code execution.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 9.08% — more likely to be exploited than 95% of all CVEs |
| Weakness | CWE-121 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2020-05-08 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| advantech | webaccess |
References
- https://www.us-cert.gov/ics/advisories/icsa-20-128-01
- https://www.zerodayinitiative.com/advisories/ZDI-20-590/
- https://www.zerodayinitiative.com/advisories/ZDI-20-591/
- https://www.zerodayinitiative.com/advisories/ZDI-20-592/
- https://www.zerodayinitiative.com/advisories/ZDI-20-619/
- https://www.zerodayinitiative.com/advisories/ZDI-20-622/
- https://www.zerodayinitiative.com/advisories/ZDI-20-624/
- https://www.zerodayinitiative.com/advisories/ZDI-20-625/
- https://www.zerodayinitiative.com/advisories/ZDI-20-633/
- https://www.zerodayinitiative.com/advisories/ZDI-20-634/
- https://www.us-cert.gov/ics/advisories/icsa-20-128-01
- https://www.zerodayinitiative.com/advisories/ZDI-20-590/
- https://www.zerodayinitiative.com/advisories/ZDI-20-591/
- https://www.zerodayinitiative.com/advisories/ZDI-20-592/
- https://www.zerodayinitiative.com/advisories/ZDI-20-619/
- https://www.zerodayinitiative.com/advisories/ZDI-20-622/
- https://www.zerodayinitiative.com/advisories/ZDI-20-624/
- https://www.zerodayinitiative.com/advisories/ZDI-20-625/
- https://www.zerodayinitiative.com/advisories/ZDI-20-633/
- https://www.zerodayinitiative.com/advisories/ZDI-20-634/
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