CVE-2021-21445 Cross-site scripting in SAP Commerce Cloud
An authenticated attacker can inject malicious data into HTTP response headers, leading to cross-site scripting and page hijacking in SAP Commerce Cloud.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-21445?
CVE-2021-21445 is a medium-severity cross-site scripting vulnerability in SAP Commerce Cloud, published on 12 Jan 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-444
Which versions are affected by CVE-2021-21445?
It affects 1 product.
Products include Sap Commerce Cloud.
How do I fix CVE-2021-21445?
No fix has been published for CVE-2021-21445 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2021-21445 being exploited?
There is no known exploitation of CVE-2021-21445 in the wild and no public exploit code.
Other vulnerabilities in SAP Commerce Cloud
- CVE-2019-0344 SAP Commerce Cloud Deserialization of Untrusted Data
- CVE-2020-6238 XML external entity in SAP Commerce
- CVE-2023-39439 SAP Commerce accepts empty passphrases.
- CVE-2019-0343 Code injection in SAP Commerce Cloud (Mediaconversion Extension)
- CVE-2023-42481 Improper Access Control vulnerability in SAP Commerce Cloud
Sources
Also known as GHSA-w4g5-mcc7-3767.