CVE-2019-20893
PartyHost_HandleJoinPartyRequest has a buffer overflow vulnerability and can be exploited by using a crafted joinParty packet.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.17%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An issue was discovered in Activision Infinity Ward Call of Duty Modern Warfare 2 through 2019-12-11. PartyHost_HandleJoinPartyRequest has a buffer overflow vulnerability and can be exploited by using a crafted joinParty packet. This can be utilized to conduct arbitrary code execution on a victim's machine.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.17% probability · 82th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-120
- Affected
- activision/call of duty modern warfare 2
- Source
- cve@mitre.org
EPSS 2.2% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/BlastsMods/JoinPartyRCEThird Party Advisory
- https://github.com/BlastsMods/JoinPartyRCEThird Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.