What is CVE-2020-13553?

CVE-2020-13553 is a high-severity vulnerability in Advantech Webaccess\/scada, classified under Incorrect Default Permissions. CVSS score: 8.8/10. Published 2021-02-17.

How severe is CVE-2020-13553?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Advantech Webaccess\/scada

CVE-2020-13553

An exploitable local privilege elevation vulnerability exists in the file system permissions of Advantech WebAccess/SCADA 9.0.1 installation. In webvrpcs Run Key Privilege Escalation in installation folder of WebAccess, an attacker can either replace binary or loaded modules to execute code with NT SYSTEM privilege.

EPSS: 0.005 (40.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Advantech Webaccess\/scada — versions 9.0.1
N/a Advantech — versions Advantech WebAccess/SCADA 9.0.1

Weakness classification (CWE)

CWE-276 — Incorrect Default Permissions

References

talos-cna@cisco.com (Technical Description, Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-13553?: CVE-2020-13553 is a high-severity vulnerability in Advantech Webaccess\/scada, classified under Incorrect Default Permissions. CVSS score: 8.8/10. Published 2021-02-17.
How severe is CVE-2020-13553?: High severity. CVSS v3 base score is 8.8 out of 10.