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Vulnerability record · CVE-2004-0049 · published 17 February 2004

CVE-2004-0049: Realnetworks helix universal mobile server vulnerability

RRealnetworks · Helix Universal Mobile Server

Helix Universal Server/Proxy 9 and Mobile Server 10 allow remote attackers to cause a denial of service via certain HTTP POST messages to the Administration System port.

6.8 CVSS 2.0 Medium EPSS 1.5% · top 27.2%
6.8CVSS 2.0 base score
1.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
10References
16 Jun 2026Last modified by NVD

Description

Helix Universal Server/Proxy 9 and Mobile Server 10 allow remote attackers to cause a denial of service via certain HTTP POST messages to the Administration System port.

AV:N/AC:L/Au:S/C:N/I:N/A:C

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://seclists.org/lists/vulnwatch/2004/Jan-Mar/0057.html
http://service.real.com/help/faq/security/040112_dos/ PatchVendor Advisory
http://service.real.com/help/faq/security/security022604.html
http://www.securityfocus.com/archive/1/357834
http://www.securityfocus.com/bid/9421 Vendor Advisory
http://seclists.org/lists/vulnwatch/2004/Jan-Mar/0057.html
http://service.real.com/help/faq/security/040112_dos/ PatchVendor Advisory
http://service.real.com/help/faq/security/security022604.html
http://www.securityfocus.com/archive/1/357834
http://www.securityfocus.com/bid/9421 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.8CVE-2004-0774Realnetworks helix universal mobile server and gateway vulnerabilityRealNetworks Helix Universal Server 9.0.2 for Linux and 9.0.3 for Windows allows remote attackers to cause a denial of service (CPU and memory exhaus…EPSS 1.9%7.5CVE-2004-0389RealNetworks Helix Universal Server null dereference DoS via malformed RTSP requestsRealNetworks Helix Universal Server 9.0.1 and 9.0.2 crashes on malformed requests that trigger a null pointer dereference. The flaw is reachable over…EPSS 55%analysed7.5CVE-2003-0725RealNetworks Helix/RealServer RTSP parser buffer overflowThe RTSP protocol parser in the View Source plug-in (vsrcplin.so / vsrcplin3260.dll) shipped with RealNetworks Helix Universal Server 9 and RealSyste…EPSS 49%analysed7.5CVE-2002-1643RealNetworks Helix Universal Server RTSP/HTTP buffer overflows allow remote code executionRealNetworks Helix Universal Server 9.0 (9.0.2.768) contains multiple buffer overflows reachable over the network. A long Transport field in a SETUP …EPSS 75%analysed

Source: NIST National Vulnerability Database (record CVE-2004-0049), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.