Adobe Experience Manager Cloud Service offering, as well as versions 6.5.8.0 (and below) is affected by an Improper Authorization vulnerability allowing users to create nodes under a location. An unauthenticated attacker could leverage this vulnerability to cause an application denial-of-service. Exploitation of this issue does not require user interaction.

References

• https://nvd.nist.gov/vuln/detail/CVE-2021-28626
• https://helpx.adobe.com/security/products/experience-manager/apsb21-39.html