What’s Vulnerable › Vulnerabilities

CVE-2001-1548

• Severity: low (CVSS 2.1 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2001-12-31 · updated 2026-06-16

Description

ZoneAlarm 2.1 through 2.6 and ZoneAlarm Pro 2.4 and 2.6 allows local users to bypass filtering via non-standard TCP packets created with non-Windows protocol adapters.

Affected products

• Zonelabs Zonealarm: 2.1, 2.2, 2.3, 2.4, 2.5, 2.6

References

• http://archives.neohapsis.com/archives/bugtraq/2001-12/0056.html
• http://archives.neohapsis.com/archives/bugtraq/2001-12/0065.html
• http://www.iss.net/security_center/static/7671.php
• http://www.securityfocus.com/bid/3647
• http://archives.neohapsis.com/archives/bugtraq/2001-12/0056.html
• http://archives.neohapsis.com/archives/bugtraq/2001-12/0065.html
• http://www.iss.net/security_center/static/7671.php
• http://www.securityfocus.com/bid/3647

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