CVE-2021-20577 Cross-site scripting in Cloud Pak for Security
Attackers can inject JavaScript into the Web UI to steal credentials from trusted sessions in IBM Cloud Pak for Security.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-20577?
CVE-2021-20577 is a medium-severity cross-site scripting vulnerability in Ibm Cloud Pak for Security, published on 10 May 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
IBM Cloud Pak for Security (CP4S) 1.5.0.0 and 1.5.0.1 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session. IBM X-Force ID: 199281.
Weakness: CWE-79
Which versions are affected by CVE-2021-20577?
It affects 1 product.
Products include Ibm Cloud Pak for Security.
How do I fix CVE-2021-20577?
No fix has been published for CVE-2021-20577 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-2021-20577 being exploited?
There is no known exploitation of CVE-2021-20577 in the wild and no public exploit code.
Other vulnerabilities in Ibm Cloud Pak for Security
- CVE-2025-25022 IBM QRadar Suite Software and IBM Cloud Pak for Security information disclosure
- CVE-2021-29696 Command injection in Cloud Pak for Security
- CVE-2025-25021 IBM QRadar Suite Software and IBM Cloud Pak for Security code injection
- CVE-2023-47726 IBM QRadar Suite improper input validation
- CVE-2022-38385 Missing authorization in Cloud Pak for Security
Sources
Also known as GHSA-prqw-hw6q-8hq7.