What is CVE-2021-40722?

CVE-2021-40722 is a critical-severity vulnerability in Adobe Experience Manager, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 9.8/10. Published 2022-01-13.

How severe is CVE-2021-40722?

Critical severity. CVSS v3 base score is 9.8 out of 10.

XXE in Adobe Experience Manager

CVE-2021-40722

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.

Vulnerability class: XXE (XML External Entity)

EPSS: 0.010 (77.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Adobe Experience Manager — versions unspecified

Weakness classification (CWE)

CWE-611 — Improper Restriction of XML External Entity Reference (XXE)

References

helpx.adobe.com/security/products/experience-manager/apsb21-103.html (x_refsource_MISC)

Frequently asked questions

What is CVE-2021-40722?: CVE-2021-40722 is a critical-severity vulnerability in Adobe Experience Manager, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 9.8/10. Published 2022-01-13.
How severe is CVE-2021-40722?: Critical severity. CVSS v3 base score is 9.8 out of 10.