CVE-2021-21445

Name: CVE-2021-21445
Creator: NVD / NIST
Published: 2021-01-12T15:15:14.36+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.64%

Last modified Jun 17, 2026

CVE-2021-21445 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. SAP Commerce Cloud, versions - 1808, 1811, 1905, 2005, 2011, allows an authenticated attacker to include invalidated data in the HTTP response Content Type header, due to improper input validation, and sent to a Web user. A successful exploitation of this vulnerability may lead to advanced attacks, including cross-site scripting and page hijacking.. EPSS estimates a 0.64% chance of exploitation in the next 30 days.

Description

SAP Commerce Cloud, versions - 1808, 1811, 1905, 2005, 2011, allows an authenticated attacker to include invalidated data in the HTTP response Content Type header, due to improper input validation, and sent to a Web user. A successful exploitation of this vulnerability may lead to advanced attacks, including cross-site scripting and page hijacking.

Metrics

CVSS 3.1

5.4/10

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

EPSS Probability

0.64%

45.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-444

Affected Software

Vendor	Product	Versions
Sap	Commerce Cloud	1808
Sap	Commerce Cloud	1811
Sap	Commerce Cloud	1905
Sap	Commerce Cloud	2005
Sap	Commerce Cloud	2011

References

https://launchpad.support.sap.com/#/notes/2984034Permissions Required
https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=564760476Vendor Advisory
https://launchpad.support.sap.com/#/notes/2984034Permissions Required
https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=564760476Vendor Advisory

Timeline

Published: Jan 12, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-21445?

How severe is CVE-2021-21445?

CVE-2021-21445 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.64% probability of exploitation in the next 30 days.

How do I fix CVE-2021-21445?

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-2021-21445?

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

Scan your code now

Source: NVD / NIST