What is CVE-2019-6550?

CVE-2019-6550 is a critical-severity vulnerability in Advantech Webaccess, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2019-04-05.

How severe is CVE-2019-6550?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Advantech Webaccess

CVE-2019-6550

Advantech WebAccess/SCADA, Versions 8.3.5 and prior. Multiple stack-based buffer overflow vulnerabilities, caused by a lack of proper validation of the length of user-supplied data, may allow remote code execution.

Vulnerability class: Buffer Overflow

EPSS: 0.061 (92.6th percentile) — read the EPSS interpretation.

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.

Affected products

Advantech Webaccess
Advantech Webaccess/scada — versions Versions 8.3.5 and prior.

Weakness classification (CWE)

References

ics-cert@hq.dhs.gov (US Government Resource, Third Party Advisory, x_refsource_MISC)
ics-cert@hq.dhs.gov (VDB Entry, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2019-6550?: CVE-2019-6550 is a critical-severity vulnerability in Advantech Webaccess, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2019-04-05.
How severe is CVE-2019-6550?: Critical severity. CVSS v3 base score is 9.8 out of 10.