CVE-2002-1697

Name: CVE-2002-1697
Creator: NVD / NIST
Published: 2002-12-31T05:00:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.83%

Last modified Jun 16, 2026

CVE-2002-1697 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 0.83% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

0.83%

53.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-326

Affected Software

Vendor	Product	Versions
Vtun Project	Vtun	>= 2.0, <= 2.5

References

http://seclists.org/bugtraq/2002/Jan/0119.htmlMailing List, Third Party Advisory
http://www.securityfocus.com/bid/3845Broken Link, Third Party Advisory, VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/7904Third Party Advisory, VDB Entry
http://seclists.org/bugtraq/2002/Jan/0119.htmlMailing List, Third Party Advisory
http://www.securityfocus.com/bid/3845Broken Link, Third Party Advisory, VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/7904Third Party Advisory, VDB Entry

Timeline

Published: Dec 31, 2002
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2002-1697?

How severe is CVE-2002-1697?

CVE-2002-1697 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.83% probability of exploitation in the next 30 days.

How do I fix CVE-2002-1697?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2002-1697?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST