Auth bypass in Sipp
CVE-2018-25225
SIPP 3.3 contains a stack-based buffer overflow vulnerability that allows local unauthenticated attackers to execute arbitrary code by supplying malicious input in the configuration file. Attackers can craft a configuration file with oversized values that overflow a stack buffer, overwriting the return address and executing arbitrary code through return-oriented programming gadgets.
Vulnerability class: Broken Authentication
EPSS: 0.002 (9.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Sipp — versions 3.3
- Sipp_project Sipp — versions 3.3
Weakness classification (CWE)
References
- disclosure@vulncheck.com (Exploit, VDB Entry, exploit)
- disclosure@vulncheck.com (Product, product)
- disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2018-25225?
- CVE-2018-25225 is a high-severity vulnerability in Sipp, classified under Missing Authentication for Critical Function. CVSS score: 8.4/10. Published 2026-03-28.
- How severe is CVE-2018-25225?
- High severity. CVSS v3 base score is 8.4 out of 10.