CVE-2020-10551

CVSS V2 High 7.2 CVSS V3 High 7.8
Description
QQBrowser before 10.5.3870.400 installs a Windows service TsService.exe. This file is writable by anyone belonging to the NT AUTHORITY\Authenticated Users group, which includes all local and remote users. This can be abused by local attackers to escalate privileges to NT AUTHORITY\SYSTEM by writing a malicious executable to the location of TsService.
Overview
  • CVE ID
  • CVE-2020-10551
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-04-09T13:15:12
  • Last Modified Date
  • 2021-07-21T11:39:23
Weakness Enumerations
CWE URL
CWE-732 http://cwe.mitre.org/data/definitions/732.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:tencent:qqbrowser:*:*:*:*:*:*:*:* 1 OR 10.5.3870.400
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:U/C:H/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 7.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 1.8
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://github.com/seqred-s-a/CVE-2020-10551 Third Party Advisory
https://seqred.pl/en/cve-2020-10551-privilege-escalation-in-qqbrowser/ Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-10551
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-10551
History
Created Old Value New Value Data Type Notes
2022-05-10 07:01:08 Added to TrackCVE
2022-12-04 14:15:37 2020-04-09T13:15Z 2020-04-09T13:15:12 CVE Published Date updated
2022-12-04 14:15:37 2021-07-21T11:39:23 CVE Modified Date updated
2022-12-04 14:15:37 Analyzed Vulnerability Status updated