CVE-2019-10991
CRITICALCVSS 9.8/10EPSS 8.98%
Last modified
CVE-2019-10991 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. In WebAccess/SCADA, Versions 8.3.5 and prior, multiple stack-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.. EPSS estimates a 8.98% chance of exploitation in the next 30 days.
Description
In WebAccess/SCADA, Versions 8.3.5 and prior, multiple stack-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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Advantech | Webaccess | <= 8.3.5 |
References
- https://www.us-cert.gov/ics/advisories/icsa-19-178-05Third Party Advisory, US Government Resource
- https://www.zerodayinitiative.com/advisories/ZDI-19-586/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-19-588/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-19-589/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-19-592/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-19-594/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-19-619/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-19-620/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-19-586/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-19-588/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-19-589/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-19-592/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-19-594/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-19-619/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-19-620/Third Party Advisory, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-10991?
In WebAccess/SCADA, Versions 8.3.5 and prior, multiple stack-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.
How severe is CVE-2019-10991?
CVE-2019-10991 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 8.98% probability of exploitation in the next 30 days.
How do I fix CVE-2019-10991?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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Are you affected by CVE-2019-10991?
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