CVE-2002-1697 json
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 pl…
published 2002-12-31 23 y ago modified 2026-06-16 4 mo ago also EUVD-2002-1677
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 57%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- vtun Debian 12 2.6-1
debian advisories DEBIAN-CVE-2002-1697
Exploit prediction
0.83% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
Classification
- Weakness
-
- CWE-326 Inadequate Encryption Strength
References
-
seclists.org
/bugtraq/2002/Jan/0119.html
mailing-list, third-party-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/7904
vdb-entry, third-party-advisory
-
securityfocus.com
/bid/3845
vdb-entry, broken-link, third-party-advisory
Sources
- CVE List CVE-2002-1697
- NVD CVE-2002-1697
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.