Macromedia Flash Communication Server MX 1.0 and 1.5 does not sufficiently validate…
Priority LOW 37Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
Macromedia Flash Communication Server MX 1.0 and 1.5 does not sufficiently validate certain RTMP data, which allows attackers to cause a denial of service (instability or crash), as demonstrated using an alpha release build of Flash Player 8.5 (build 133).
Why it matters now
EPSS 0.01491 74th 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 · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:macromedia:flash_communication_server:1.0:*:*:*:*:*:*:* | 1.0 | Vulnerable | Macromedia |
| cpe:2.3:a:macromedia:flash_communication_server:1.5:*:*:*:*:*:*:* | 1.5 | Vulnerable | Macromedia |
- cpe:2.3:a:macromedia:flash_communication_server:1.0:*:*:*:*:*:*:* Versions 1.0 Vulnerable ·Macromedia
- cpe:2.3:a:macromedia:flash_communication_server:1.5:*:*:*:*:*:*:* Versions 1.5 Vulnerable ·Macromedia
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2005-3901
- 2026-10-03 Alias added: GHSA-4xmg-fq3w-fh32
References
Sources
- CVE-2005-3901 · CVE Program
- CVE-2005-3901 · NVD
- FIRST EPSS
- GHSA-4xmg-fq3w-fh32 · GitHub Advisory Database · CC BY 4.0
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