CVE-2010-20123

HIGH

Steinberg MyMP3Player <3.0.0.67 - Buffer Overflow

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 4 public exploits for CVE-2010-20123. PoCs published by Metasploit, Oh Yaw Theng, n3w7u, including Metasploit module exploits/windows/fileformat/mymp3player_m3u.

AI-analyzed exploit summary This exploit targets a stack buffer overflow in Steinberg MyMP3Player 3.0 via a crafted M3U file. It includes multiple return address targets for different scenarios, including SEH overwrite, and delivers a payload for arbitrary code execution.

Description

Steinberg MyMP3Player version 3.0 (build 3.0.0.67) is vulnerable to a stack-based buffer overflow when parsing .m3u playlist files. The application fails to properly validate the length of input data within the playlist, allowing a specially crafted file to overwrite critical memory structures and execute arbitrary code. This vulnerability can be exploited locally by convincing a user to open a malicious .m3u file.

Exploits (4)

exploitdb WORKING POC VERIFIED
by Metasploit · rubylocalwindows
https://www.exploit-db.com/exploits/16633

This exploit targets a stack buffer overflow in Steinberg MyMP3Player 3.0 via a crafted M3U file. It includes multiple return address targets for different scenarios, including SEH overwrite, and delivers a payload for arbitrary code execution.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Steinberg MyMP3Player 3.0
No auth needed
Prerequisites: Victim must open the malicious M3U file with Steinberg MyMP3Player 3.0
devstral-2 · analyzed Feb 16, 2026 Full analysis →
exploitdb WORKING POC VERIFIED
by Oh Yaw Theng · pythonlocalwindows
https://www.exploit-db.com/exploits/14581

This exploit targets a buffer overflow vulnerability in myMP3-Player 3.0 by crafting a malicious .m3u file. It overwrites the return address with a JMP ESP instruction and executes a bind shell payload on port 5555.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: myMP3-Player 3.0
No auth needed
Prerequisites: Victim must open the malicious .m3u file in myMP3-Player 3.0
devstral-2 · analyzed Feb 18, 2026 Full analysis →
exploitdb WORKING POC VERIFIED
by n3w7u · perllocalwindows
https://www.exploit-db.com/exploits/11791

This Perl script exploits a local buffer overflow vulnerability in myMP3-Player v3.0 via a maliciously crafted .m3u file. It leverages SEH overwrite with a short jump and shellcode to execute arbitrary commands (calc.exe in this case).

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: myMP3-Player v3.0
No auth needed
Prerequisites: Victim must open the malicious .m3u file in myMP3-Player v3.0
devstral-2 · analyzed Feb 18, 2026 Full analysis →
metasploit WORKING POC GOOD
by n3w7u, m_101 · rubypocwin
https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/fileformat/mymp3player_m3u.rb

This Metasploit module exploits a stack buffer overflow in Steinberg MyMP3Player 3.0 via a crafted M3U file, allowing arbitrary code execution. It supports both direct return address overwrites and SEH-based exploitation techniques.

Classification
Working Poc 100%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Steinberg MyMP3Player 3.0
No auth needed
Prerequisites: Victim must open the malicious M3U file with vulnerable MyMP3Player
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Scores

CVSS v4 8.4
EPSS 0.0032
EPSS Percentile 23.7%
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-121
Status published
Products (1)
Steinberg/MyMP3Player < 3.0.0.67
Published Aug 21, 2025
Tracked Since Feb 18, 2026