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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.002 (8.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 8th percentile — 8.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Sipp — versions 3.3
- Sipp Project — versions 3.3
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/45288 (Exploit, VDB Entry, exploit)
- sipp.sourceforge.net/ (Product, product)
- www.vulncheck.com/advisories/sipp-stack-based-buffer-overflow-via-configuration… (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.