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Unrated severityNVD Advisory· Published Dec 31, 1999· Updated Jun 16, 2026

CVE-1999-1100

CVE-1999-1100

Description

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.

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Affected products

2
  • Cisco Systems, Inc./Pix Private Link2 versions
    cpe:2.3:a:cisco:pix_private_link:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:cisco:pix_private_link:*:*:*:*:*:*:*:*range: <=4.1\(6\)
    • (no CPE)range: <=4.1.6

Patches

Vulnerability mechanics

References

3

News mentions

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