High severity · published Feb 17, 2021
CVE-2020-13555
An exploitable local privilege elevation vulnerability exists in the file system permissions of Advantech WebAccess/SCADA 9.0.1 installation
8.8
CVSS
0.5%
EPSS
No
On KEV
Description
An exploitable local privilege elevation vulnerability exists in the file system permissions of Advantech WebAccess/SCADA 9.0.1 installation. In COM Server Application Privilege Escalation, an attacker can either replace binary or loaded modules to execute code with NT SYSTEM privilege.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 43% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WE
Webaccess/scada · Advantech
9.0.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-13555
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-13555
Exploit
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1169
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