Buffer overflow in Identicalsoftware Xwpe
CVE-2016-20037
xwpe 1.5.30a-2.1 and prior contains a stack-based buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying overly long input strings that exceed buffer boundaries. Attackers can craft malicious command-line arguments with 262 bytes of junk data followed by shellcode to overwrite the instruction pointer and achieve code execution or denial of service.
Vulnerability class: Buffer Overflow
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: 0.001 (3.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 3.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000
Affected products
- Identicalsoftware Xwpe — versions 1.5.30a-2.1
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/39285 (exploit)
- www.identicalsoftware.com/xwpe (product)
- www.vulncheck.com/advisories/xwpe-30a-stack-based-buffer-overflow (third-party-advisory)
Frequently asked questions
- What is CVE-2016-20037?
- CVE-2016-20037 is a high-severity vulnerability in Identicalsoftware Xwpe, classified under Out-of-bounds Write. CVSS score: 8.4/10. Published 2026-03-28.
- How severe is CVE-2016-20037?
- High severity. CVSS v3 base score is 8.4 out of 10.