Vulnerability in Zenmap
CVE-2018-25282
Nmap 7.70 contains a denial of service vulnerability that allows local attackers to crash the application by processing malicious XML files with exponential entity expansion. Attackers can create a crafted XML file with nested entity definitions and open it through ZenMap's scan import functionality to cause the program to consume excessive system resources and crash.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.001 (1.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 2nd percentile — 1.7% 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
- Zenmap — versions 7.70
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/45357 (exploit)
- nmap.org/dist/nmap-7.70-setup.exe (product)
- www.vulncheck.com/advisories/nmap-denial-of-service-via-xml-entity-expansion (third-party-advisory)
Frequently asked questions
- What is CVE-2018-25282?
- CVE-2018-25282 is a medium-severity vulnerability in Zenmap, classified under Uncontrolled Recursion. CVSS score: 6.2/10. Published 2026-04-26.
- How severe is CVE-2018-25282?
- Medium severity. CVSS v3 base score is 6.2 out of 10.