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Vulnerabilities

Vulnerability · CVE-2021-47742

Epic Games Psyonix Rocket League <=1.95 contains an insecure permissions vulnerability that allows authenticated users to modify executable files with full access permissions.

Published Dec 31, 2025 · catalog updated Jan 2, 2026 · Epic Games Inc. Epic Games Psyonix Rocket League

Last checked Nov 3, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2021-47742. EPSS is 0.24%. Act only if a listed version of Epic Games Inc. Epic Games Psyonix Rocket League is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.24%
Remediation
Advisory link
Affected products
vendor Epic Games Inc. Epic Games Psyonix Rocket League ≤1.95

Epic Games Psyonix Rocket League <=1.95 contains an insecure permissions vulnerability that allows authenticated users to modify executable files with full access permissions. Attackers can leverage the 'F' (Full) flag for the 'Authenticated Users' group to change executable files and potentially escalate system privileges.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Epic Games Inc. Epic Games Psyonix Rocket League ≤1.95≤1.95

How to fix CVE-2021-47742

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2021-47742. EPSS is 0.24%. Act only if a listed version of Epic Games Inc. Epic Games Psyonix Rocket League is installed.

Which versions are affected?

Compare what you have installed with Epic Games Inc. Epic Games Psyonix Rocket League ≤1.95 ≤1.95. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.24%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Dec 31, 2025 · EUVD

    Detected

    Epic Games Psyonix Rocket League <=1.95 contains an insecure permissions vulnerability that allows authenticated users to modify executable files with full access permissions. Attackers can leverage the 'F' (Full) flag for the 'Authenticated Users' group to change executable files and potentially escalate system privileges.

  2. Jan 2, 2026 · EUVD

    Updated

    Epic Games Psyonix Rocket League <=1.95 contains an insecure permissions vulnerability that allows authenticated users to modify executable files with full access permissions. Attackers can leverage the 'F' (Full) flag for the 'Authenticated Users' group to change executable files and potentially escalate system privileges.

Sources

  • CVE.orgVulnerability recordCVE-2021-47742

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2021-47742

    30-day exploitation probability 0.24%

    first.org
  • EUVDVulnerability recordEUVD-2025-206082

    Epic Games Psyonix Rocket League <=1.95 contains an insecure permissions vulnerability that allows authenticated users to modify executable files with full access permissions. Attackers can leverage the 'F' (Full) flag for the 'Authenticated Users' group to change executable file

    euvd.enisa.europa.eu
  • Packet Storm SecurityCited referencehttps://packetstormsecurity.com/files/162435

    Packet Storm link already published on the finding.

    packetstormsecurity.com

References

Freshness

Last verified in this catalog Nov 3, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 3, 2026
  • Packet Storm SecurityNov 3, 2026
  • CVE.orgOct 31, 2026
  • EUVDOct 31, 2026