CVE-2020-13555

CVSS V2 High 7.2 CVSS V3 High 8.8

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.

Overview

CVE ID
CVE-2020-13555

Assigner
talos-cna@cisco.com

Vulnerability Status
Analyzed

Published Version
2021-02-17T19:15:12

Last Modified Date
2022-06-29T20:22:05

Weakness Enumerations

CWE	URL
CWE-276	http://cwe.mitre.org/data/definitions/276.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:advantech:webaccess\/scada:9.0.1:::::::*	1	OR

CVSS Version 2

Version
2.0

Vector String
AV:L/AC:L/Au:N/C:C/I:C/A:C

Access Vector
LOCAL

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
COMPLETE

Integrity Impact
COMPLETE

Availability Impact
COMPLETE

Base Score
7.2

Severity
HIGH

Exploitability Score
3.9

Impact Score
10

CVSS Version 3

Version
3.1

Vector String
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Attack Vector
LOCAL

Attack Compatibility
LOW

Privileges Required
LOW

User Interaction
NONE

Scope
CHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
8.8

Base Severity
HIGH

Exploitability Score
2

Impact Score
6

References

Reference URL	Reference Tags
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1169	Exploit Technical Description Third Party Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2020-13555
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-13555

History

Created	Old Value	New Value	Data Type	Notes
2022-04-20 17:02:12				Added to TrackCVE
2022-12-05 22:20:11	2021-02-17T19:15Z	2021-02-17T19:15:12	CVE Published Date	updated
2022-12-05 22:20:11		2022-06-29T20:22:05	CVE Modified Date	updated
2022-12-05 22:20:11		Analyzed	Vulnerability Status	updated