XML External Entity injection in Adobe Experience Manager - CVE-2021-40722
Published: December 15, 2021
Vulnerability identifier: #VU59001
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2021-40722
CWE-ID: CWE-611
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Adobe
Affected software:
Adobe Experience Manager
Adobe Experience Manager
Detailed vulnerability description
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to insufficient validation of user-supplied XML input. A remote attacker can pass a specially crafted XML code to the affected application and view contents of arbitrary files on the system or initiate requests to external systems.
Successful exploitation of the vulnerability may allow an attacker to compromise the affected system.
How to mitigate CVE-2021-40722
Install updates from vendor's website.