What’s Vulnerable › Vulnerabilities

CVE-1999-0454

• Severity: critical (CVSS 10.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 1999-01-01 · updated 2026-06-16

Description

A remote attacker can sometimes identify the operating system of a host based on how it reacts to some IP or ICMP packets, using a tool such as nmap or queso.

References

• https://exchange.xforce.ibmcloud.com/vulnerabilities/2048
• https://exchange.xforce.ibmcloud.com/vulnerabilities/2048

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