VulnerabilityModified
CVE-2020-10638
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.
CRITICAL 9.8EPSS 7.06%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (7.06%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 7.06% probability · 94th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-122, CWE-787
- Affected
- advantech/webaccess
- Source
- ics-cert@hq.dhs.gov
References
- https://www.us-cert.gov/ics/advisories/icsa-20-128-01Third Party Advisory, US Government Resource
- https://www.zerodayinitiative.com/advisories/ZDI-20-593/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-20-599/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-20-600/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-20-603/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-20-616/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-20-621/Third Party Advisory, VDB Entry
- https://www.us-cert.gov/ics/advisories/icsa-20-128-01Third Party Advisory, US Government Resource
- https://www.zerodayinitiative.com/advisories/ZDI-20-593/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-20-599/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-20-600/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-20-603/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-20-616/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-20-621/Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.