CVE-2021-40712

Name: CVE-2021-40712
Creator: NVD / NIST
Published: 2021-09-27T16:15:10.64+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 1.66%

Last modified Jun 17, 2026

CVE-2021-40712 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Adobe Experience Manager version 6.5.9.0 (and earlier) is affected by a improper input validation vulnerability via the path parameter. An authenticated attacker can send a malformed POST request to achieve server-side denial of service.. EPSS estimates a 1.66% chance of exploitation in the next 30 days.

Description

Adobe Experience Manager version 6.5.9.0 (and earlier) is affected by a improper input validation vulnerability via the path parameter. An authenticated attacker can send a malformed POST request to achieve server-side denial of service.

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

1.66%

73.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Adobe	Experience Manager	<= 6.5.9.0

References

https://helpx.adobe.com/security/products/experience-manager/apsb21-82.htmlPatch, Vendor Advisory
https://helpx.adobe.com/security/products/experience-manager/apsb21-82.htmlPatch, Vendor Advisory

Timeline

Published: Sep 27, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-40712?

How severe is CVE-2021-40712?

CVE-2021-40712 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.66% probability of exploitation in the next 30 days.

How do I fix CVE-2021-40712?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-40712?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST