CVE-2021-20494 Memory corruption in Security Identity Manager Adapters
An authenticated user can trigger a heap-based buffer overflow in IBM Security Identity Manager Adapters, causing the service to crash.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-20494?
CVE-2021-20494 is a medium-severity memory corruption vulnerability in IBM Security Identity Manager Adapters, published on 28 Jun 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
IBM Security Identity Manager Adapters 6.0 and 7.0 are vulnerable to a heap based buffer overflow, caused by improper bounds. An authenticared user could overflow the buffer and cause the service to crash. IBM X-Force ID: 197882.
Weakness: CWE-787
Which versions are affected by CVE-2021-20494?
It affects 1 product.
Products include Ibm Security Identity Manager Adapter.
How do I fix CVE-2021-20494?
No fix has been published for CVE-2021-20494 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2021-20494 being exploited?
There is no known exploitation of CVE-2021-20494 in the wild and no public exploit code.
Other vulnerabilities in IBM Security Identity Manager Adapters
Sources
Also known as GHSA-gwjh-r2ww-fpmp.