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TI-2020-15268 Aliases CVE-2020-24990GHSA-3wqf-jxw5-8w54

An issue was discovered in QSC Q-SYS Core Manager 8.2.1.

Priority LOW 39CWE-22Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-22 and the CVSS impact.

Summary

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.

Why it matters now

EPSS 0.03681 89th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:qsc:q-sys_core_manager:8.2.1:*:*:*:*:*:*:*8.2.1VulnerableQsc
  • cpe:2.3:a:qsc:q-sys_core_manager:8.2.1:*:*:*:*:*:*:* Versions 8.2.1 Vulnerable ·Qsc

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-24990
  2. 2026-10-03 Alias added: GHSA-3wqf-jxw5-8w54

References

Sources