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CVE-2020-10551

7.8 · HIGH

QQBrowser before 10.5.3870.400 installs a Windows service TsService.exe.

Published Apr 9, 2020CWE-732EPSS 1.41%

Overview

CVE-2020-10551 is a high-severity vulnerability. It was published on April 9, 2020 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/seqred-s-a/CVE-2020-10551Refseqred.pl/en/cve-2020-10551-privilege-escalation-in-qqbrowser/GitHubgithub.com/seqred-s-a/CVE-2020-10551Refseqred.pl/en/cve-2020-10551-privilege-escalation-in-qqbrowser/

How CyberStrike helps

Frequently asked questions

What is CVE-2020-10551?

CVE-2020-10551 is a high-severity vulnerability. It was published on April 9, 2020 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2020-10551?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2020-10551?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2020-10551?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2020-10551 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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