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CVE-2005-3901

Macromedia Flash Communication Server MX 1.0 and 1.5 does not sufficiently validate certain RTMP...

7.8 High

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).

Exploit likelihood

1.49%Up 0.5 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 7.8

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).

Record
CVE-2005-3901
CVSS 2.0
7.8 HighAV:N/AC:L/Au:N/C:N/I:N/A:C
Updated
2026-11-02
CVE List No score

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).

Record
CVE-2005-3901
Updated
2026-11-02
EUVDEUVD-2005-3896 No score

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).

Record
EUVD-2005-3896
Updated
2026-11-03
GitHub AdvisoriesGHSA-4xmg-fq3w-fh32 No score

Macromedia Flash Communication Server MX 1.0 and 1.5 does not sufficiently validate certain RTMP...

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).

Record
GHSA-4xmg-fq3w-fh32
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2005-3901 is a high vulnerability (CVSS 7.8) in Macromedia Flash Communication Server, published November 29, 2005. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.49%, the 74th percentile. No source names a fixed version.

References

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