The cryptographic module in ScatterChat 1.0.x allows attackers to identify patterns in…
Priority LOW 14Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- Partial · None · None
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
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.
Why it matters now
EPSS 0.0066 51st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:scatterchat:scatterchat:1.0.1:*:*:*:*:*:*:* | 1.0.1 | Vulnerable | Scatterchat |
- cpe:2.3:a:scatterchat:scatterchat:1.0.1:*:*:*:*:*:*:* Versions 1.0.1 Vulnerable ·Scatterchat
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2006-4021
- 2026-10-03 Alias added: GHSA-r4jq-cqww-9m6q
- 2026-10-07 EPSS moved to the 50th–90th percentile
References
More Scatterchat vulnerabilities
- TI-2006-04356 Unspecified vulnerability in (1) Tor 0.1.0.x before 0.1.0.18 and 0.1.1.x before 0.1.1.23… CVSS 2.0MEDIUM 4.0
Sources
- CVE-2006-4021 · CVE Program
- CVE-2006-4021 · NVD
- FIRST EPSS
- GHSA-r4jq-cqww-9m6q · GitHub Advisory Database · CC BY 4.0
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