CVE-2021-21083

Adobe Experience Manager broken access control in DSRPReindexServlet could lead to denial-of-service

HIGH
7.5
CVSS Score
Published: June 28, 2021 at 01:41 PM UTC
Updated: June 17, 2026 at 03:34 AM UTC
2 products affected across 1 vendorExperience ManagerExperience Manager Cloud Service

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Severity
HIGH7.5
Exploit prediction
EPSS 2%

Description

AEM's Cloud Service offering, as well as versions 6.5.7.0 (and below), 6.4.8.3 (and below) and 6.3.3.8 (and below) are affected by an Improper Access Control vulnerability. An unauthenticated attacker could leverage this vulnerability to cause an application denial-of-service in the context of the current user.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 6.3.3.8v ≤ 6.4.8.3v ≤ 6.5.7.0v ≤ AEM Cloud Service6.4.0.0 ≤ v < 6.4.8.46.5.0.0 ≤ v < 6.5.8.0
Affected range stops below 6.4.8.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.5.8.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

7.5HIGHadobe
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-284NVD-CWE-Other

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