VulnerabilityModified
CVE-2020-10551
This file is writable by anyone belonging to the NT AUTHORITY\Authenticated Users group, which includes all local and remote users.
HIGH 7.8EPSS 1.41%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.41%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.41% probability · 71th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-732
- Affected
- tencent/qqbrowser
- Source
- cve@mitre.org
References
- https://github.com/seqred-s-a/CVE-2020-10551Third Party Advisory
- https://seqred.pl/en/cve-2020-10551-privilege-escalation-in-qqbrowser/Third Party Advisory
- https://github.com/seqred-s-a/CVE-2020-10551Third Party Advisory
- https://seqred.pl/en/cve-2020-10551-privilege-escalation-in-qqbrowser/Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.