CVE-2011-10015

CVE-2011-10015 is a critical-severity vulnerability with a CVSS 4.0 base score of 9.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-121.

Key facts

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.

Frequently asked questions

What is CVE-2011-10015?
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.
How severe is CVE-2011-10015?
CVE-2011-10015 has a CVSS 4.0 base score of 9.3, rated critical severity.
Is CVE-2011-10015 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2011-10015?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2011-10015 have an EU (EUVD) identifier?
Yes. CVE-2011-10015 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2011-5248.
When was CVE-2011-10015 published?
CVE-2011-10015 was published on 2025-08-13 and last updated on 2026-06-16.

References

Other CWE-121 (Stack-based Buffer Overflow) vulnerabilities

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