What’s Vulnerable › Vulnerabilities

CVE-2000-0536

• Severity: high (CVSS 7.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2000-06-04 · updated 2026-06-16

Description

xinetd 2.1.8.x does not properly restrict connections if hostnames are used for access control and the connecting host does not have a reverse DNS entry.

Affected products

• Xinetd: 2.1.87, 2.1.88, 2.1.88_pre1, 2.1.88_pre2, 2.1.89_pre1, 2.1.89_pre2 (+3)

References

• http://www.debian.org/security/2000/20000619
• http://www.securityfocus.com/bid/1381
• http://www.synack.net/xinetd/
• https://exchange.xforce.ibmcloud.com/vulnerabilities/4986
• http://www.debian.org/security/2000/20000619
• http://www.securityfocus.com/bid/1381
• http://www.synack.net/xinetd/
• https://exchange.xforce.ibmcloud.com/vulnerabilities/4986

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