github - ghsa-mmm6-w9m9-679x

GHSA-MMM6-W9M9-679X

Vulnerability from github – Published: 2025-12-31 21:30 – Updated: 2025-12-31 21:30

Details

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.

Severity ?

8.8 (High)


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

8.5 (High)


                  
                    CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Show details on source website

JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2021-47742"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-732"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-12-31T19:15:42Z",
    "severity": "HIGH"
  },
  "details": "Epic Games Psyonix Rocket League \u003c=1.95 contains an insecure permissions vulnerability that allows authenticated users to modify executable files with full access permissions. Attackers can leverage the \u0027F\u0027 (Full) flag for the \u0027Authenticated Users\u0027 group to change executable files and potentially escalate system privileges.",
  "id": "GHSA-mmm6-w9m9-679x",
  "modified": "2025-12-31T21:30:57Z",
  "published": "2025-12-31T21:30:57Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-47742"
    },
    {
      "type": "WEB",
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/201128"
    },
    {
      "type": "WEB",
      "url": "https://packetstormsecurity.com/files/162435"
    },
    {
      "type": "WEB",
      "url": "https://www.rocketleague.com"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/epic-games-psyonix-rocket-league-elevation-of-privileges-via-insecure-permissions"
    },
    {
      "type": "WEB",
      "url": "https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5650.php"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2021-47742 (GCVE-0-2021-47742)

Vulnerability from cvelistv5 – Published: 2025-12-31 18:39 – Updated: 2025-12-31 18:39

Title

Epic Games Psyonix Rocket League <=1.95 Elevation of Privileges via Insecure Permissions

Summary

Severity ?

8.5 (High)


                        
                          CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

8.8 (High)


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

CWE

CWE-732 - Incorrect Permission Assignment for Critical Resource

Assigner

VulnCheck

References

URL

Tags

	https://www.zeroscience.mk/en/vulnerabilities/ZSL…	third-party-advisory
	https://packetstormsecurity.com/files/162435	exploit
	https://exchange.xforce.ibmcloud.com/vulnerabilit…	vdb-entry
	https://www.rocketleague.com/	product
	https://www.vulncheck.com/advisories/epic-games-p…	third-party-advisory

Impacted products

	Vendor	Product	Version
	Epic Games Inc.	Epic Games Psyonix Rocket League	Affected: <=1.95

Credits

LiquidWorm as Gjoko Krstic of Zero Science Lab

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "product": "Epic Games Psyonix Rocket League",
          "vendor": "Epic Games Inc.",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c=1.95"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "LiquidWorm as Gjoko Krstic of Zero Science Lab"
        }
      ],
      "datePublic": "2021-04-30T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "Epic Games Psyonix Rocket League \u003c=1.95 contains an insecure permissions vulnerability that allows authenticated users to modify executable files with full access permissions. Attackers can leverage the \u0027F\u0027 (Full) flag for the \u0027Authenticated Users\u0027 group to change executable files and potentially escalate system privileges."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "LOCAL",
            "baseScore": 8.5,
            "baseSeverity": "HIGH",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "LOW",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS"
        },
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-732",
              "description": "Incorrect Permission Assignment for Critical Resource",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-12-31T18:39:10.630Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
      },
      "references": [
        {
          "name": "Zero Science Lab Disclosure (ZSL-2021-5650)",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5650.php"
        },
        {
          "name": "Packet Storm Security Exploit Entry",
          "tags": [
            "exploit"
          ],
          "url": "https://packetstormsecurity.com/files/162435"
        },
        {
          "name": "IBM X-Force Vulnerability Exchange Entry",
          "tags": [
            "vdb-entry"
          ],
          "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/201128"
        },
        {
          "name": "Rocket League Product Homepage",
          "tags": [
            "product"
          ],
          "url": "https://www.rocketleague.com/"
        },
        {
          "name": "VulnCheck Advisory: Epic Games Psyonix Rocket League \u003c=1.95 Elevation of Privileges via Insecure Permissions",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/epic-games-psyonix-rocket-league-elevation-of-privileges-via-insecure-permissions"
        }
      ],
      "title": "Epic Games Psyonix Rocket League \u003c=1.95 Elevation of Privileges via Insecure Permissions",
      "x_generator": {
        "engine": "vulncheck"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2021-47742",
    "datePublished": "2025-12-31T18:39:10.630Z",
    "dateReserved": "2025-12-31T02:09:17.952Z",
    "dateUpdated": "2025-12-31T18:39:10.630Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-MMM6-W9M9-679X

CVE-2021-47742 (GCVE-0-2021-47742)

Tags

Sightings

Nomenclature