CVE-1999-0770: Firewall-1 sets a long timeout for connections that begin with ACK or other packets except SYN, allowing an attacker to

Published n/a Updated 2026-08-21T04:30:48.106Z

Summary

Firewall-1 sets a long timeout for connections that begin with ACK or other packets except SYN, allowing an attacker to conduct a denial of service via a large number of connection attempts to unresponsive systems.

Severity

UNKNOWN

Source Attribution

Source: NVD · Updated: 2026-08-21T04:30:48.106Z · Confidence: high

Impact

Based on CVSS vector: n/a — assess confidentiality, integrity, and availability impact via the official vector documentation.

Affected Software

Fix

Upgrade affected software to the fixed version identified above. Apply vendor patches and monitor advisories before exposed systems go unpatched.

References