Vulnerability · Published Apr 9, 2020 · Assigned by mitre

CVE-2020-10551

High 7.8

In plain English

A high-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 73% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.

Severity (CVSS NVD)7.8High

Exploit odds (30 days)1.4%top 27.2% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack tooling1Public PoC

Official 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.

Affected products (as reported)

Vendor	Product	Versions
n/a	n/a	n/a

References

https://seqred.pl/en/cve-2020-10551-privilege-escalation-in-qqbrowser/ x_refsource_MISC
https://github.com/seqred-s-a/CVE-2020-10551 x_refsource_MISC