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TI-2021-17797 Aliases CVE-2021-40881GHSA-73p9-5hh7-3v53

An issue in the BAT file parameters of PublicCMS v4.0 allows attackers to execute arbitrary code.

Priority MEDIUM 45Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

An issue in the BAT file parameters of PublicCMS v4.0 allows attackers to execute arbitrary code.

Why it matters now

EPSS 0.01603 75th 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

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:publiccms:publiccms:4.0:*:*:*:*:*:*:*4.0VulnerableSanluan
  • cpe:2.3:a:publiccms:publiccms:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·Sanluan

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-40881
  2. 2026-10-03 Alias added: GHSA-73p9-5hh7-3v53

References

Exploit 1

  • TI-2025-18979 An arbitrary file upload vulnerability in the component… CVSS 3.1CRITICAL 9.8
  • TI-2023-17417 PublicCMS <=V4.0.202302 is vulnerable to Insecure Permissions. CVSS 3.1CRITICAL 9.8
  • TI-2020-13943 SQL Injection vulnerability found in PublicCMS v.4.0 allows a remote attacker to execute… CVSS 3.1CRITICAL 9.8
  • TI-2020-13942 SQL Injection vulnerability found in San Luan PublicCMS v.4.0 allows a remote attacker to… CVSS 3.1CRITICAL 9.8
  • TI-2025-40474 PublicCMS V5.202506.b is vulnerable to SSRF. CVSS 3.1CRITICAL 9.1
  • TI-2025-35555 OS Command injection vulnerability in PublicCMS PublicCMS-V5.202506.a, and… CVSS 3.1HIGH 8.2
See all 46 →

Sources

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