Buffer overflow in Advantech Webaccess
CVE-2020-10638
Advantech WebAccess Node, Version 8.4.4 and prior, Version 9.0.0. Multiple heap-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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.071 (94.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 94.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.071 · newest: 0.071 · change: 0.000
Affected products
- Advantech Webaccess — versions 9.0.0
- Advantech Webaccess Node — versions WebAccess Node Version 8.4.4 and prior, WebAccess Node Version 9.0.0
Weakness classification (CWE)
References
- www.us-cert.gov/ics/advisories/icsa-20-128-01 (US Government Resource, Third Party Advisory)
- www.zerodayinitiative.com/advisories/ZDI-20-599/ (VDB Entry, Third Party Advisory)
- www.zerodayinitiative.com/advisories/ZDI-20-593/ (VDB Entry, Third Party Advisory)
- www.zerodayinitiative.com/advisories/ZDI-20-600/ (VDB Entry, Third Party Advisory)
- www.zerodayinitiative.com/advisories/ZDI-20-603/ (VDB Entry, Third Party Advisory)
- www.zerodayinitiative.com/advisories/ZDI-20-616/ (VDB Entry, Third Party Advisory)
- www.zerodayinitiative.com/advisories/ZDI-20-621/ (VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-10638?
- CVE-2020-10638 is a critical-severity vulnerability in Advantech Webaccess, classified under Heap-based Buffer Overflow. CVSS score: 9.8/10. Published 2020-05-08.
- How severe is CVE-2020-10638?
- Critical severity. CVSS v3 base score is 9.8 out of 10.