CVE-2004-0640

Linux Netkit vulnerability

CVSS

10.0

EPSS

4.5%

EPSS pct

90th

Exploited

No known

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 vendor

Netkit

Affected product

Linux Netkit

CVSS vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Published

2004-08-06

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to complete impact to confidentiality, complete impact to integrity, complete impact to availability.

Its EPSS score of 4.5% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 90% of all scored CVEs.

Check your external exposure to CVE-2004-0640

Confirm whether Netkit Linux Netkit is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2004-0640.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2004-0640

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