CVEvulnerability
CVE-2020-24990
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2020-10-28
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:P/I:N/A:N
- Weaknesses
- CWE-22
Description
An issue was discovered in QSC Q-SYS Core Manager 8.2.1. By utilizing the TFTP service running on UDP port 69, a remote attacker can perform a directory traversal and obtain operating system files via a TFTP GET request, as demonstrated by reading /etc/passwd or /proc/version.
Affected configurations
• qsc q-sys core manager 8.2.1
Related
Weakness · CWE (1)
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory weakness
References
- http://packetstormsecurity.com/files/159699/QSC-Q-SYS-Core-Manager-8.2.1-Directory-Traversal.html Third Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2020/Oct/30 Mailing List, Third Party Advisory
- https://q-syshelp.qsc.com/Content/Core_Manager/CoreManager_Overview.htm Vendor Advisory
- http://packetstormsecurity.com/files/159699/QSC-Q-SYS-Core-Manager-8.2.1-Directory-Traversal.html Third Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2020/Oct/30 Mailing List, Third Party Advisory
- https://q-syshelp.qsc.com/Content/Core_Manager/CoreManager_Overview.htm Vendor Advisory