CVE-2006-4021 json
The cryptographic module in ScatterChat 1.0.x allows attackers to identify patterns in large numbers of messages by identifying collisions…
published 2006-08-17 20 y ago modified 2026-06-16 4 mo ago also EUVD-2006-4014
- cvss
- 2.6
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 51%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
0.66% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 2.6 | AV:N/AC:H/Au:N/C:P/I:N/A:N |
References
-
scatterchat.com
/advisories/2006-01_tech.html
vendor-advisory, url-repurposed
-
scatterchat.com
/advisories/2006-01_non_tech.html
vendor-advisory, url-repurposed
-
securityfocus.com
/bid/19485
vdb-entry
-
securityfocus.com
/archive/1/443038/100/100/threaded
mailing-list
-
securityreason.com
/securityalert/1396
third-party-advisory
Sources
- CVE List CVE-2006-4021
- NVD CVE-2006-4021
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