CVE-2004-2721

high

Description

The CheckGroup function in openSkat VTMF before 2.1 generates public key pairs in which the "p" variable might not be prime, which allows remote attackers to determine the private key and decrypt messages.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/18049

http://www.securityfocus.com/bid/11667

http://www.osvdb.org/11652

http://securitytracker.com/id?1012181

http://freshmeat.net/projects/openskat/?branch_id=36295&release_id=178549

Details

Source: Mitre, NVD

Published: 2004-12-31

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Severity: High

EPSS

EPSS: 0.00463