CVE-2020-13553

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 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.

Overview

CVE ID
CVE-2020-13553

Assigner
talos-cna@cisco.com

Vulnerability Status
Analyzed

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

Last Modified Date
2022-06-29T20:31:58

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-2020-13553
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-13553

History

Created	Old Value	New Value	Data Type	Notes
2022-04-20 17:02:13				Added to TrackCVE
2022-12-05 22:20:07	2021-02-17T19:15Z	2021-02-17T19:15:12	CVE Published Date	updated
2022-12-05 22:20:07		2022-06-29T20:31:58	CVE Modified Date	updated
2022-12-05 22:20:07		Analyzed	Vulnerability Status	updated