Buffer overflow in Intersystems Corporation Caché
CVE-2009-20005
A stack-based buffer overflow exists in the UtilConfigHome.csp endpoint of InterSystems Caché 2009.1. The vulnerability is triggered by sending a specially crafted HTTP GET request containing an oversized argument to the .csp handler. Due to insufficient bounds checking, the input overflows a stack buffer, allowing an attacker to overwrite control structures and execute arbitrary code. It is unknown if this vulnerability was patched and an affected version range remains undefined.
Vulnerability class: Buffer Overflow
EPSS: 0.013 (66.8th percentile) — read the EPSS interpretation.
Affected products
- Intersystems Corporation Caché — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- disclosure@vulncheck.com (exploit)
- disclosure@vulncheck.com (exploit)
- disclosure@vulncheck.com (third-party-advisory)
- disclosure@vulncheck.com (product)
- disclosure@vulncheck.com (third-party-advisory)
Frequently asked questions
- What is CVE-2009-20005?
- CVE-2009-20005 is a vulnerability in Intersystems Corporation Caché, classified under Stack-based Buffer Overflow. Published 2025-09-16.
- Is CVE-2009-20005 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.