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TI-2021-14811 Aliases CVE-2021-36582GHSA-3prf-q3vf-746c

In Kooboo CMS 2.1.1.0, it is possible to upload a remote shell (e.g., aspx) to the server…

Priority MEDIUM 45CWE-434Published · Updated

Key facts

Attack vector
Network
Privileges required
None
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 · NVD. Fix status from CNA. Impact type from CWE-434.

Summary

In Kooboo CMS 2.1.1.0, it is possible to upload a remote shell (e.g., aspx) to the server and then call upon it to receive a reverse shell from the victim server. The files are uploaded to /Content/Template/root/reverse-shell.aspx and can be simply triggered by browsing that URL.

Why it matters now

EPSS 0.01483 74th 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:kooboo:kooboo_cms:2.1.1.0:*:*:*:*:*:*:*2.1.1.0VulnerableKooboo
  • cpe:2.3:a:kooboo:kooboo_cms:2.1.1.0:*:*:*:*:*:*:* Versions 2.1.1.0 Vulnerable ·Kooboo

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-36582
  2. 2026-10-03 Alias added: GHSA-3prf-q3vf-746c

References

Advisory 1

  • TI-2021-14810 Kooboo CMS 2.1.1.0 is vulnerable to Insecure file upload. CVSS 3.1CRITICAL 9.8

Sources

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