Path Traversal in Qsc Q-Sys Core Manager
CVE-2020-24990
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.
Vulnerability class: Path Traversal (Directory Traversal)
EPSS: 0.037 (88.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Qsc Q-sys_core_manager — versions 8.2.1
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (Mailing List, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (VDB Entry, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-24990?
- CVE-2020-24990 is a high-severity vulnerability in Qsc Q-Sys Core Manager, classified under Path Traversal. CVSS score: 7.5/10. Published 2020-10-28.
- How severe is CVE-2020-24990?
- High severity. CVSS v3 base score is 7.5 out of 10.