CVE-2013-4973

Stack-based buffer overflow in RealNetworks RealPlayer before 16.0.3.51, and RealPlayer SP 1.0 through 1.1.5, allows remote attackers to execute arbitrary code via a crafted .rmp file.

Published: 2013-08-27 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2013-4973 is rated High Risk (66.1/100): CVSS Critical severity, with high exploitation likelihood (EPSS 6.06%, 92th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2013-4973

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 9.52% 6.06% -3.46%
2 2026-05-20 11.83% 9.52% -2.31%
3 2025-03-30 11.83%

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-4973

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.3 2.0 HIGH
AV:N/AC:M/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
8.6 10.0 [email protected]

Weakness enumeration for CVE-2013-4973

Affected software / configurations for CVE-2013-4973

Vendor Product Version Raw CPE
realnetworks realplayer <= 16.0.2.32 cpe:2.3:a:realnetworks:realplayer:*:*:*:*:*:*:*:*
realnetworks realplayer 10.0 cpe:2.3:a:realnetworks:realplayer:10.0:*:*:*:*:*:*:*
realnetworks realplayer 10.5 cpe:2.3:a:realnetworks:realplayer:10.5:*:*:*:*:*:*:*
realnetworks realplayer 11.0 cpe:2.3:a:realnetworks:realplayer:11.0:*:*:*:*:*:*:*
realnetworks realplayer 11.0.1 cpe:2.3:a:realnetworks:realplayer:11.0.1:*:*:*:*:*:*:*
realnetworks realplayer 11.0.2 cpe:2.3:a:realnetworks:realplayer:11.0.2:*:*:*:*:*:*:*
realnetworks realplayer 11.0.2.1744 cpe:2.3:a:realnetworks:realplayer:11.0.2.1744:*:*:*:*:*:*:*
realnetworks realplayer 11.0.2.2315 cpe:2.3:a:realnetworks:realplayer:11.0.2.2315:*:*:*:*:*:*:*
realnetworks realplayer 11.0.3 cpe:2.3:a:realnetworks:realplayer:11.0.3:*:*:*:*:*:*:*
realnetworks realplayer 11.0.4 cpe:2.3:a:realnetworks:realplayer:11.0.4:*:*:*:*:*:*:*
realnetworks realplayer 11.0.5 cpe:2.3:a:realnetworks:realplayer:11.0.5:*:*:*:*:*:*:*
realnetworks realplayer 11.1 cpe:2.3:a:realnetworks:realplayer:11.1:*:*:*:*:*:*:*
realnetworks realplayer 11.1.3 cpe:2.3:a:realnetworks:realplayer:11.1.3:*:*:*:*:*:*:*
realnetworks realplayer 11_build_6.0.14.748 cpe:2.3:a:realnetworks:realplayer:11_build_6.0.14.748:*:*:*:*:*:*:*
realnetworks realplayer 12.0.0.1444 cpe:2.3:a:realnetworks:realplayer:12.0.0.1444:*:*:*:*:*:*:*
realnetworks realplayer 12.0.0.1548 cpe:2.3:a:realnetworks:realplayer:12.0.0.1548:*:*:*:*:*:*:*
realnetworks realplayer 14.0.0 cpe:2.3:a:realnetworks:realplayer:14.0.0:*:*:*:*:*:*:*
realnetworks realplayer 14.0.1 cpe:2.3:a:realnetworks:realplayer:14.0.1:*:*:*:*:*:*:*
realnetworks realplayer 14.0.1.609 cpe:2.3:a:realnetworks:realplayer:14.0.1.609:*:*:*:*:*:*:*
realnetworks realplayer 14.0.2 cpe:2.3:a:realnetworks:realplayer:14.0.2:*:*:*:*:*:*:*
realnetworks realplayer 14.0.3 cpe:2.3:a:realnetworks:realplayer:14.0.3:*:*:*:*:*:*:*
realnetworks realplayer 14.0.4 cpe:2.3:a:realnetworks:realplayer:14.0.4:*:*:*:*:*:*:*
realnetworks realplayer 14.0.5 cpe:2.3:a:realnetworks:realplayer:14.0.5:*:*:*:*:*:*:*
realnetworks realplayer 15.0.0 cpe:2.3:a:realnetworks:realplayer:15.0.0:*:*:*:*:*:*:*
realnetworks realplayer 15.0.4 cpe:2.3:a:realnetworks:realplayer:15.0.4:*:*:*:*:*:*:*
realnetworks realplayer 15.0.4.43 cpe:2.3:a:realnetworks:realplayer:15.0.4.43:*:*:*:*:*:*:*
realnetworks realplayer 15.0.5.109 cpe:2.3:a:realnetworks:realplayer:15.0.5.109:*:*:*:*:*:*:*
realnetworks realplayer 15.0.6.14 cpe:2.3:a:realnetworks:realplayer:15.0.6.14:*:*:*:*:*:*:*
realnetworks realplayer 15.02.71 cpe:2.3:a:realnetworks:realplayer:15.02.71:*:*:*:*:*:*:*
realnetworks realplayer 16.0.0 cpe:2.3:a:realnetworks:realplayer:16.0.0:*:*:*:*:*:*:*
realnetworks realplayer 16.0.0.282 cpe:2.3:a:realnetworks:realplayer:16.0.0.282:*:*:*:*:*:*:*
realnetworks realplayer 16.0.1.18 cpe:2.3:a:realnetworks:realplayer:16.0.1.18:*:*:*:*:*:*:*
realnetworks realplayer_sp 1.0.0 cpe:2.3:a:realnetworks:realplayer_sp:1.0.0:*:*:*:*:*:*:*
realnetworks realplayer_sp 1.0.1 cpe:2.3:a:realnetworks:realplayer_sp:1.0.1:*:*:*:*:*:*:*
realnetworks realplayer_sp 1.0.2 cpe:2.3:a:realnetworks:realplayer_sp:1.0.2:*:*:*:*:*:*:*
realnetworks realplayer_sp 1.0.5 cpe:2.3:a:realnetworks:realplayer_sp:1.0.5:*:*:*:*:*:*:*
realnetworks realplayer_sp 1.1 cpe:2.3:a:realnetworks:realplayer_sp:1.1:*:*:*:*:*:*:*
realnetworks realplayer_sp 1.1.1 cpe:2.3:a:realnetworks:realplayer_sp:1.1.1:*:*:*:*:*:*:*
realnetworks realplayer_sp 1.1.2 cpe:2.3:a:realnetworks:realplayer_sp:1.1.2:*:*:*:*:*:*:*
realnetworks realplayer_sp 1.1.3 cpe:2.3:a:realnetworks:realplayer_sp:1.1.3:*:*:*:*:*:*:*
realnetworks realplayer_sp 1.1.4 cpe:2.3:a:realnetworks:realplayer_sp:1.1.4:*:*:*:*:*:*:*
realnetworks realplayer_sp 1.1.5 cpe:2.3:a:realnetworks:realplayer_sp:1.1.5:*:*:*:*:*:*:*

References for CVE-2013-4973

cvelogic Threat Intelligence