CVE-2002-1697

HIGHNVD 7.5

7.5

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.

CVSS v3: 7.5
EG Score: —
EPSS: 59.6%
KEV: Not listed

Published

December 31, 2002

Last Modified

April 16, 2026

References (6)

cve@mitrehttp://seclists.org/bugtraq/2002/Jan/0119.html
cve@mitrehttp://www.securityfocus.com/bid/3845
cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/7904
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/bugtraq/2002/Jan/0119.html
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/3845
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/7904

Data Freshness Timeline

(refreshed 12× in last 7d / 18× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-29 13:40 UTCepss_batch
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2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
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2026-05-24 16:42 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-21 23:06 UTCOSV refresh
2026-05-20 22:36 UTCepss_batch
2026-05-20 11:20 UTCepss_batch
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2026-05-18 21:29 UTCepss_batch
2026-05-18 21:29 UTCepss_batch

Frequently asked(5)

What is CVE-2002-1697?

CVE-2002-1697 is a high vulnerability published on December 31, 2002. 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.

When was CVE-2002-1697 disclosed?

CVE-2002-1697 was first published in the National Vulnerability Database on December 31, 2002, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2002-1697 actively exploited?

CVE-2002-1697 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 59.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2002-1697?

CVE-2002-1697 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2002-1697?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2002-1697, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2002-1697

📅 Published

🔄 Last Modified

🔗 References (6)