CVE-2018-25282

MEDIUM 6.2

Nmap 7.70 Denial of Service via XML Entity Expansion

CVSS Score

6.2

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-674
Vendor	zenmap
Product	zenmap
Published	Apr 26, 2026

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CVSS v3 Breakdown

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Affected Versions

ZenMap / ZenMap

7.70

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

Gionathan "John" Reale