What is CVE-2021-24030?

CVE-2021-24030 is a critical-severity vulnerability in Facebook Gameroom, classified under Argument Injection. CVSS score: 9.8/10. Published 2021-03-10.

How severe is CVE-2021-24030?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Facebook Gameroom

CVE-2021-24030

The fbgames protocol handler registered as part of Facebook Gameroom does not properly quote arguments passed to the executable. That allows a malicious URL to cause code execution. This issue affects versions prior to v1.26.0.

EPSS: 0.017 (74.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Facebook Gameroom — versions 1.26.0, unspecified
Facebook Gameroom

Weakness classification (CWE)

CWE-88 — Argument Injection

References

cve-assign@fb.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2021-24030?: CVE-2021-24030 is a critical-severity vulnerability in Facebook Gameroom, classified under Argument Injection. CVSS score: 9.8/10. Published 2021-03-10.
How severe is CVE-2021-24030?: Critical severity. CVSS v3 base score is 9.8 out of 10.