CVE-1999-1100: Cisco PIX Private Link 4.1.6 and earlier does not properly process certain commands in the configuration file, which red

Published n/a Updated 2026-08-21T04:30:52.770Z

Summary

Cisco PIX Private Link 4.1.6 and earlier does not properly process certain commands in the configuration file, which reduces the effective key length of the DES key to 48 bits instead of 56 bits, which makes it easier for an attacker to find the proper key via a brute force attack.

Severity

UNKNOWN

Source Attribution

Source: NVD · Updated: 2026-08-21T04:30:52.770Z · 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