Buffer overflow in Advantech Webaccess

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.

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: 0.090 (95.3th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2019-10991: held from 0.090 to 0.090.

EPSS over last 30 days · oldest: 0.090 · newest: 0.090 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-10991?
CVE-2019-10991 is a critical-severity vulnerability in Advantech Webaccess, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2019-06-28.
How severe is CVE-2019-10991?
Critical severity. CVSS v3 base score is 9.8 out of 10.