CVE-2011-10015 Cytel Studio <= 9.0 .CY3 File Stack Buffer Overflow
A stack buffer overflow in Cytel Studio allows arbitrary code execution when a user opens a malicious .CY3 file.
- 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-2011-10015?
CVE-2011-10015 is a critical memory corruption vulnerability in Cytel Studio, published on 13 Aug 2025. 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
Cytel Studio version 9.0 and earlier is vulnerable to a stack-based buffer overflow triggered by parsing a malformed .CY3 file. The vulnerability occurs when the application copies user-controlled strings into a fixed-size stack buffer (256 bytes) without proper bounds checking. Exploitation allows arbitrary code execution when the crafted file is opened.
Weakness: CWE-121
Which versions are affected by CVE-2011-10015?
How do I fix CVE-2011-10015?
No fix has been published for CVE-2011-10015 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-2011-10015 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2011-10015 exists.
Public exploit code: 1 Metasploit module.
Sources
Also known as GHSA-76gc-6553-pw26.