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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.005 (40.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 40.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Advantech Webaccess\/scada — versions 9.0.1
- Advantech — versions Advantech WebAccess/SCADA 9.0.1
Weakness classification (CWE)
References
- talosintelligence.com/vulnerability_reports/TALOS-2020-1169 (Technical Description, Exploit, Third Party Advisory)
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.