What’s Vulnerable › Vulnerabilities

CVE-2004-0640

• Severity: critical (CVSS 10.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2004-08-06 · updated 2026-06-16

Description

Format string vulnerability in the SSL_set_verify function in telnetd.c for SSLtelnet daemon (SSLtelnetd) 0.13 allows remote attackers to execute arbitrary code.

Affected products

• Netkit Linux Netkit: 0.17, 0.17.17
• Ssltelnetd Secure Telnet: 0.13.1

References

• http://www.debian.org/security/2004/dsa-529
• http://www.idefense.com/application/poi/display?id=114&type=vulnerabilities
• https://exchange.xforce.ibmcloud.com/vulnerabilities/16653
• http://www.debian.org/security/2004/dsa-529
• http://www.idefense.com/application/poi/display?id=114&type=vulnerabilities
• https://exchange.xforce.ibmcloud.com/vulnerabilities/16653

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