kaillera.comproduct
http://kaillera.com/ CVE-2011-10020
HIGH
Kaillera 0.86 Server DoS via Malformed UDP Packet
Record summary
CVE-2011-10020 has a selected CVSS score of 8.7 (high); EIP currently links 2 catalogued exploits.
Description
Kaillera Server version 0.86 is vulnerable to a denial-of-service condition triggered by sending a malformed UDP packet after the initial handshake. Once a client sends a valid HELLO0.83 packet and receives a response, any subsequent malformed packet causes the server to crash and become unresponsive. This flaw stems from improper input validation in the server’s UDP packet handler, allowing unauthenticated remote attackers to disrupt service availability.
Description source: CVE List
Exploitation context
Available material
- Catalogued exploits
- 2
CISA SSVC decision
ExploitationPoC
AutomatableYes
Technical impactPartial
CISA Coordinator · SSVC 2.0.3 · Evaluated Aug 22, 2025 · Source: CVE List
Affected products and versions
1| Product | Source | Version range | Status |
|---|---|---|---|
Default status: unaffected | CVE List | Through 0.86 | affected |
Proofs of concept
2Catalogued exploits
ExploitDBKaillera - Multiple Clients Buffer Overflow VulnerabilitiesExploitDB exploitby Sil3nt_Dre4mNot analyzed1 file
MetasploitKaillera 0.86 Server Denial of ServiceMetasploit auxiliary PoCby Sil3nt_Dre4mNot analyzed1 file
References
5nvd.nist.gov
https://nvd.nist.gov/vuln/detail/CVE-2011-10020 raw.githubusercontent.comexploit
https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/auxiliary/dos/windows/games/kaillera.rb exploit-db.comexploit
https://www.exploit-db.com/exploits/17460 vulncheck.comThird-party advisory
https://www.vulncheck.com/advisories/kaillera-server-dos-via-malformed-udp-packet