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CVE-2002-1697 — HIGH severity vulnerability (Electronic Code Book (ECB) mode in VTun 2.0 through 2.5 uses)

Electronic Code Book (ECB) mode in VTun 2.0 through 2.5 uses a weak encryption algorithm that produces the same ciphertext from the same plaintext blocks, which could allow remote attackers to gain sensitive information.

CVE IDCVE-2002-1697
SeverityHIGH
CVSS score7.5
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWECWE-326
StatusModified
Published2002-12-31
Last modified2026-04-16
DescriptionElectronic Code Book (ECB) mode in VTun 2.0 through 2.5 uses a weak encryption algorithm that produces the same ciphertext from the same plaintext blocks, which could allow remote attackers to gain sensitive information.
SourceNIST National Vulnerability Database

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