CVE-2021-40722 AEM Forms Improper Restriction of XML External Entity Reference
An attacker can exploit an XML External Entity vulnerability in Adobe Experience Manager Forms to achieve remote code execution.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-40722?
CVE-2021-40722 is a critical vulnerability in Adobe Experience Manager, published on 13 Jan 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
AEM Forms Cloud Service offering, as well as version 6.5.10.0 (and below) are affected by an XML External Entity (XXE) injection vulnerability that could be abused by an attacker to achieve RCE.
Weakness: CWE-611
Which versions are affected by CVE-2021-40722?
It affects 2 products.
Products include Adobe Experience Manager, Adobe Experience Manager Cloud Service.
How do I fix CVE-2021-40722?
No fix has been published for CVE-2021-40722 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-40722 being exploited?
There is no known exploitation of CVE-2021-40722 in the wild and no public exploit code.
Other vulnerabilities in Adobe Experience Manager
- CVE-2026-90532 Adobe Experience Manager | Incorrect Authorization (CWE-863)
- CVE-2026-105895 Adobe Experience Manager | Improper Input Validation (CWE-20)
- CVE-2026-19232 Adobe Experience Manager | Incorrect Authorization (CWE-863)
- CVE-2025-49533 Adobe Experience Manager (MS) | Deserialization of Untrusted Data (CWE-502)
- CVE-2019-8088 Command injection in Adobe Experience Manager
Sources
Also known as GHSA-7h8f-9m99-6cfg.