Vulnerability in Tencent Qqbrowser
CVE-2020-10551
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.014 (71.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 71.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- seqred.pl/en/cve-2020-10551-privilege-escalation-in-qqbrowser/ (Third Party Advisory)
- github.com/seqred-s-a/CVE-2020-10551 (Third Party Advisory)
Frequently asked questions
- What is CVE-2020-10551?
- CVE-2020-10551 is a high-severity vulnerability in Tencent Qqbrowser, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 7.8/10. Published 2020-04-09.
- How severe is CVE-2020-10551?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2020-10551 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.