CVE-2019-20893

Name: CVE-2019-20893
Creator: NVD / NIST
Published: 2020-06-30T12:15:11.353+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 2.17%

Last modified Jun 17, 2026

CVE-2019-20893 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 2.17% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

2.17%

79.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-120

Affected Software

Vendor	Product	Versions
Activision	Call Of Duty Modern Warfare 2	<= 2019-12-11

References

https://github.com/BlastsMods/JoinPartyRCEThird Party Advisory
https://github.com/BlastsMods/JoinPartyRCEThird Party Advisory

Timeline

Published: Jun 30, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-20893?

How severe is CVE-2019-20893?

CVE-2019-20893 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.17% probability of exploitation in the next 30 days.

How do I fix CVE-2019-20893?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-20893?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST