Read the docs
TI-2020-14389 Aliases CVE-2020-22755GHSA-293v-5329-36wp

File upload vulnerability in MCMS 5.0 allows attackers to execute arbitrary code via a…

Priority HIGH 73CWE-434Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub. Impact type from CWE-434.

Summary

File upload vulnerability in MCMS 5.0 allows attackers to execute arbitrary code via a crafted thumbnail. A different vulnerability than CVE-2022-31943.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00924 60th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—net.mingsoft:ms-mcms (Maven)up to 5.0.0—No fix listedGHSA-293v-5329-36wp
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • net.mingsoft:ms-mcms (Maven) Vendor— Affected up to 5.0.0 Fixed in — No fix listed GHSA-293v-5329-36wp

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:mingsoft:mcms:5.0:*:*:*:*:*:*:*5.0VulnerableMingsoft
  • cpe:2.3:a:mingsoft:mcms:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Mingsoft

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-22755
  2. 2026-10-03 Alias added: GHSA-293v-5329-36wp

References

Exploit 1

Advisory 1

Other 1

  • TI-2025-21032 An arbitrary file upload vulnerability in the ueditor component of MCMS v5.4.3 allows… CVSS 3.1CRITICAL 9.8
  • TI-2023-27629 Mingsoft MCMS v5.2.9 was discovered to contain a SQL injection vulnerability via the… CVSS 3.1CRITICAL 9.8
  • TI-2020-13941 SQL Injection vulnerability found in Ming-Soft MCMS v.4.7.2 allows a remote attacker to… CVSS 3.1CRITICAL 9.8
  • TI-2022-04007 Mingsoft MCMS list sql injection CVSS 3.1CRITICAL 9.8
  • TI-2022-23293 MCMS v5.2.10 and below was discovered to contain an arbitrary file write vulnerability… CVSS 3.1HIGH 8.8
  • TI-2024-15068 File Upload vulnerability in MCMS 5.3.5 allows attackers to upload arbitrary files via… CVSS 3.1HIGH 8.8
See all 46 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences