Adobe Experience Manager Improper Authorization at /content/usergenerated

published 2021-08-24 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-15295

cvss: 3.7; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.3%; EPSS 1.3% chance of exploitation in 30 days, percentile 71%
public exploits: 0; none known

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.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 18 mo ago (2025-04-23)

Exploit prediction

1.33% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	3.7	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

Adobe Experience Manager

Classification

Weakness

CWE-285 Improper Authorization

References

helpx.adobe.com /security/products/experience-manager/apsb21-39.html
vendor-advisory

Sources

CVE List CVE-2021-28626
NVD CVE-2021-28626

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary