9.8

CVE-2021-24030: facebook facebook gameroom Argument Injection

CVSS: 9.8v3.1CriticalModified
Published 10-03-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-24030 is a critical (CVSS 9.8) Argument Injection vulnerability in facebook facebook gameroom. EPSS estimates a 1.75% chance of exploitation in the next 30 days, higher than 77.5% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
1.75%
0%100%
Low · +0.06 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 10-03-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

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 metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.75%

Chance of exploitation in the next 30 days

Percentile

78%

Versus all other CVEs

30-day change

+0.06 pp

From 1.69% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.75%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Facebook2 products

1 vendor · 2 products

References

1 links