High severity · published Mar 3, 2021
CVE-2020-13554
An exploitable local privilege elevation vulnerability exists in the file system permissions of Advantech WebAccess/SCADA 9.0.1 installation
7.8
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 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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 46% 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-2020-13554
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-13554
Exploit
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1169
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