CVE-2006-4021

high

Description

The cryptographic module in ScatterChat 1.0.x allows attackers to identify patterns in large numbers of messages by identifying collisions using a birthday attack on the custom padding mechanism for ECB mode encryption.

References

http://www.securityfocus.com/bid/19485

http://www.securityfocus.com/archive/1/443038/100/100/threaded

http://www.scatterchat.com/advisories/2006-01_tech.html

http://www.scatterchat.com/advisories/2006-01_non_tech.html

http://securityreason.com/securityalert/1396

Details

Source: Mitre, NVD

Published: 2006-08-17

Updated: 2026-04-16

Risk Information

CVSS v2

Base Score: 2.6

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

Severity: Low

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: 0.00215