CVE-2021-20524 Cross-site scripting in Security Verify Access Docker
Attackers can inject JavaScript into the Web UI to steal credentials from trusted sessions in IBM Security Verify Access.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-20524?
CVE-2021-20524 is a medium-severity cross-site scripting vulnerability in Ibm Security Verify Access, published on 15 Jul 2021. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
IBM Security Verify Access Docker 10.0.0 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: 198661.
Weakness: CWE-79
Which versions are affected by CVE-2021-20524?
It affects 1 product.
Products include Ibm Security Verify Access.
How do I fix CVE-2021-20524?
No fix has been published for CVE-2021-20524 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-2021-20524 being exploited?
There is no known exploitation of CVE-2021-20524 in the wild and no public exploit code.
Other vulnerabilities in Ibm Security Verify Access
- CVE-2026-78401 Security vulnerabilities have been found in IBM Verify Identity Access and IBM Security Verify Access
- CVE-2026-78406 Security vulnerabilities have been found in IBM Verify Identity Access and IBM Security Verify Access
- CVE-2024-49803 IBM Security Verify Access Appliance command execution
- CVE-2021-39070 Auth bypass in n/a
- CVE-2024-49805 IBM Security Verify Access Appliance hard coded credentials
Sources
Also known as GHSA-8wxv-3qjw-mqpw.