CVE-2002-1643: realnetworks helix_universal_server
Vulnerability summary
CVE-2002-1643 is a high (CVSS 7.5) vulnerability in realnetworks helix_universal_server. EPSS estimates a 74.70% chance of exploitation in the next 30 days, higher than 99.5% of scored vulnerabilities. 5 public exploits are recorded.
Weaponized exploit (exploit-database, 07-08-2010)
Source freshness unavailable
How is this decided?Timeline
- 28-03-2005PublishedVulnerability first disclosed.
- 08-08-2024Last modifiedVulnerability information updated.
Description
Multiple buffer overflows in RealNetworks Helix Universal Server 9.0 (9.0.2.768) allow remote attackers to execute arbitrary code via (1) a long Transport field in a SETUP RTSP request, (2) a DESCRIBE RTSP request with a long URL argument, or (3) two simultaneous HTTP GET requests with long arguments.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
74.70%
Chance of exploitation in the next 30 days
Percentile
100%
Versus all other CVEs
30-day change
No change 0.00 pp
From 74.70% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
5 foundExploit Reference (securityfocus.com)
Maturity: unknown
RealServer - Describe Buffer Overflow (Metasploit)
Maturity: weaponized
RealServer 7-9 - Describe Buffer Overflow (Metasploit)
Maturity: weaponized
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.
Realnetworks1 product
- helix_universal_server9.0 | 9.0.2.768
1 vendor · 1 product