TI-2021-15973 Aliases CVE-2021-38366 GHSA-rggx-qr24-r8xj

Sitecore through 10.1, when Update Center is enabled, allows remote authenticated users…

MEDIUM 43CWE-434Published 2021-08-12 · Updated 2024-08-04

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 · NVD. Fix status from CNA. Impact type from CWE-434.

Summary

Sitecore through 10.1, when Update Center is enabled, allows remote authenticated users to upload arbitrary files and achieve remote code execution by visiting an uploaded .aspx file at an admin/Packages URL.

Why it matters now

EPSS 0.02928 87th 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

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:sitecore:sitecore::::::::	up to 10.1	Vulnerable	Sitecore

cpe:2.3:a:sitecore:sitecore:*:*:*:*:*:*:*:* Versions up to 10.1 Vulnerable ·Sitecore

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2021-38366
2026-10-03 Alias added: GHSA-rggx-qr24-r8xj

References

Exploit 1

https://blog.istern.dk/2021/08/10/sitecore-10-authenticated-file-upload-to-rce/

Sources

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