VulnerabilityModified
CVE-2019-10989
In WebAccess/SCADA Versions 8.3.5 and prior, multiple heap-based buffer overflow vulnerabilities are caused by a lack of proper validation of the length of user-supplied data.
CRITICAL 9.8EPSS 8.55%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (8.55%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In WebAccess/SCADA Versions 8.3.5 and prior, multiple heap-based buffer overflow vulnerabilities are caused by a lack of proper validation of the length of user-supplied data. Exploitation of these vulnerabilities may allow remote code execution. Note: A different vulnerability than CVE-2019-10991.
- 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
- 8.55% probability · 95th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- advantech/webaccess
- Source
- ics-cert@hq.dhs.gov
References
- https://www.us-cert.gov/ics/advisories/icsa-19-178-05Third Party Advisory, US Government Resource
- https://www.zerodayinitiative.com/advisories/ZDI-19-590/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-19-591/Third Party Advisory, VDB Entry
- https://www.us-cert.gov/ics/advisories/icsa-19-178-05Third Party Advisory, US Government Resource
- https://www.zerodayinitiative.com/advisories/ZDI-19-590/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-19-591/Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.