CVE-2002-1747 json
Vtun 2.5b1 does not authenticate forwarded packets, which allows remote attackers to inject data into user sessions without detection, and…
published 2002-12-31 23 y ago modified 2026-06-16 4 mo ago also EUVD-2002-1726
- cvss
- 5.0
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.1%
- EPSS 1.1% chance of exploitation in 30 days, percentile 65%
- public exploits
- 0
- none known
Summary
Vtun 2.5b1 does not authenticate forwarded packets, which allows remote attackers to inject data into user sessions without detection, and possibly control the data contents via cut-and-paste attacks on ECB.
Patch / fix
- vtun Debian 12 2.5b2
debian advisories DEBIAN-CVE-2002-1747
Exploit prediction
1.07% chance of exploitation in the next 30 days, higher than 65% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:P/A:N |
References
-
seclists.org
/bugtraq/2002/Jan/0119.html
mailing-list
-
exchange.xforce.ibmcloud.com
/vulnerabilities/7868
vdb-entry
Sources
- CVE List CVE-2002-1747
- NVD CVE-2002-1747
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.