CVE-2020-24990

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Published Oct 28, 2020 CVSS 3.1 · 7.5 High EPSS 3.7% KEV · Not listed

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 Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:qsc:q-sys_core_manager:8.2.1:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2020-17690	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.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

This CVE is not in the KEV list.

Exploit prediction score: 3.7% (3.681% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
http://packetstormsecurity.com/files/159699/QSC-Q-SYS-Core-Manager-8.2.1-Directory-Traversal.html
http://seclists.org/fulldisclosure/2020/Oct/30
https://q-syshelp.qsc.com/Content/Core_Manager/CoreManager_Overview.htm

History

No history.

Subscriptions

Qsc Q-sys Core Manager

Weaknesses

CWE-22

Sources

CVE record Updated: Aug 4, 2024, 3:26 PM

Status: PUBLISHED
Assigner: mitre
Published: Oct 28, 2020, 6:49 PM
Updated: Aug 4, 2024, 3:26 PM
Reserved: Aug 28, 2020, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 3:06 AM

Status: Modified
Published: Oct 28, 2020, 7:15 PM
Modified: Jun 17, 2026, 3:06 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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