CVE-2004-0389

HIGH

RealNetworks Helix Universal Server <9.0.3 - DoS

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2004-0389. PoCs published by anonymous.

AI-analyzed exploit summary The exploit demonstrates a denial of service vulnerability in Real Networks Helix Universal Server by sending malformed RTSP requests. The server fails to handle these requests properly, leading to a crash or unresponsiveness.

Description

RealNetworks Helix Universal Server 9.0.1 and 9.0.2 allows remote attackers to cause a denial of service (crash) via malformed requests that trigger a null dereference, as demonstrated using (1) GET_PARAMETER or (2) DESCRIBE requests.

Exploits (1)

exploitdb WORKING POC VERIFIED
by anonymous · textdoswindows
https://www.exploit-db.com/exploits/24010

The exploit demonstrates a denial of service vulnerability in Real Networks Helix Universal Server by sending malformed RTSP requests. The server fails to handle these requests properly, leading to a crash or unresponsiveness.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Real Networks Helix Universal Server
No auth needed
Prerequisites: Network access to the target server · RTSP service (port 554) exposed
mistral-large-3 · analyzed Feb 16, 2026 Full analysis →

References (4)

Core 4
Core References
Broken Link, Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/11395
Broken Link, Exploit, Patch, Vendor Advisory third-party-advisory x_refsource_idefense
http://www.idefense.com/application/poi/display?id=102&type=vulnerabilities
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/15880
Broken Link, Exploit, Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/10157

Scores

CVSS v3 7.5
EPSS 0.5249
EPSS Percentile 98.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-476
Status published
Products (2)
realnetworks/helix_universal_server 9.0.1
realnetworks/helix_universal_server 9.0.2
Published Jun 01, 2004
Tracked Since Feb 18, 2026