VulnerabilityModified
CVE-2021-24030
The fbgames protocol handler registered as part of Facebook Gameroom does not properly quote arguments passed to the executable.
CRITICAL 9.8EPSS 1.69%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.69%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- 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
- 1.69% probability · 76th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-88
- Affected
- facebook/gameroom
- Source
- cve-assign@fb.com
References
- https://www.facebook.com/security/advisories/cve-2021-24030Vendor Advisory
- https://www.facebook.com/security/advisories/cve-2021-24030Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.