CVE-2020-24990
HIGH
7.5
CVSS Score
Published: October 28, 2020 at 06:49 PM UTC
Updated: June 17, 2026 at 03:06 AM UTC
1 product affected across 1 vendorQ Sys Core Manager
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Severity
HIGH7.5
Exploit prediction
EPSS 4%
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
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (3)
x_refsource_MISCThird Party AdvisoryVDB Entry
Source: [email protected]
http://packetstormsecurity.com/files/159699/QSC-Q-SYS-Core-Manager-8.2.1-Directory-Traversal.htmlx_refsource_MISCMailing ListThird Party Advisory
Source: [email protected]
http://seclists.org/fulldisclosure/2020/Oct/30x_refsource_MISCVendor Advisory
Source: [email protected]
https://q-syshelp.qsc.com/Content/Core_Manager/CoreManager_Overview.htmCVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- NONE
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-22
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