CVE-2007-6340 json
Geert Moernaut LSrunasE 1.0 and Supercrypt 1.0 use the RC4 stream cipher without constructing a unique initialization vector (IV), which ma…
published 2008-02-05 18 y ago modified 2026-06-16 4 mo ago also EUVD-2007-6307
- cvss
- 2.1
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 23%
- public exploits
- 0
- none known
Summary
Geert Moernaut LSrunasE 1.0 and Supercrypt 1.0 use the RC4 stream cipher without constructing a unique initialization vector (IV), which makes it easier for local users to obtain cleartext passwords.
Patch / fix
Exploit prediction
0.30% chance of exploitation in the next 30 days, higher than 23% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 2.1 | AV:L/AC:L/Au:N/C:P/I:N/A:N |
Classification
- Weakness
-
- CWE-255 Credentials Management Errors
References
-
moernaut.com
/default.aspx?item=supercrypt
patch
-
moernaut.com
/default.aspx?item=lsrunase
patch
-
securityfocus.com
/archive/1/487269/100/0/threaded
mailing-list
-
securityreason.com
/securityalert/3611
third-party-advisory
Sources
- CVE List CVE-2007-6340
- NVD CVE-2007-6340
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