CVE-2018-25282

6.9 mediumEPSS 0.1%

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.

Severity

CVSS 4.0

6.9 medium

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

CVSS 3.1

6.2 medium

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.1% chance of exploitation in the next 30 days; higher than 1% of CVEs (scores of 2026-10-31)
CWE: CWE-674
Published: 2026-04-26
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

References

https://nmap.org/dist/nmap-7.70-setup.exe
https://www.exploit-db.com/exploits/45357
https://www.vulncheck.com/advisories/nmap-denial-of-service-via-xml-entity-expansion

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