LOW
CVE-2006-4021
NVD-CWE-OtherPublished: August 17, 2006· Updated: Jun 16, 2026
2.6
CVSS v3.1
Official 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.
Technical Analysis
CVE-2006-4021 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityHigh
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityP
IntegrityNone
AvailabilityNone
AV:N/AC:H/Au:N/C:P/I:N/A:N
Affected Vendors & Products
scatterchat1 product(s)
scatterchat
Source: NVD CPE · 1 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (10)
→
http://www.scatterchat.com/advisories/2006-01_non_tech.htmlVendor Advisory · URL Repurposed
→
http://www.scatterchat.com/advisories/2006-01_tech.htmlVendor Advisory · URL Repurposed
→
http://www.scatterchat.com/advisories/2006-01_non_tech.htmlVendor Advisory · URL Repurposed
→
http://www.scatterchat.com/advisories/2006-01_tech.htmlVendor Advisory · URL Repurposed
Quick Facts
CVE IDCVE-2006-4021
CVSS Score2.6 / 10
SeverityLOW
WeaknessNVD-CWE-Other
CISA KEVNo
Affected1 vendor(s)
PublishedAug 17, 2006
Related CVEs (NVD-CWE-Other)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2006-4021 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.