github - ghsa-qh83-9fpx-6f4r

GHSA-QH83-9FPX-6F4R

Vulnerability from github – Published: 2025-12-19 21:30 – Updated: 2025-12-19 21:30

Details

Ever Gauzy v0.281.9 contains a JWT authentication vulnerability that allows attackers to exploit weak HMAC secret key implementation. Attackers can leverage the exposed JWT token to authenticate and gain unauthorized access with administrative permissions.

Severity ?

9.8 (Critical)


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

9.3 (Critical)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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-2023-53951"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-347"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-12-19T21:15:51Z",
    "severity": "CRITICAL"
  },
  "details": "Ever Gauzy v0.281.9 contains a JWT authentication vulnerability that allows attackers to exploit weak HMAC secret key implementation. Attackers can leverage the exposed JWT token to authenticate and gain unauthorized access with administrative permissions.",
  "id": "GHSA-qh83-9fpx-6f4r",
  "modified": "2025-12-19T21:30:20Z",
  "published": "2025-12-19T21:30:20Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-53951"
    },
    {
      "type": "WEB",
      "url": "https://github.com/ever-co/ever-gauzy"
    },
    {
      "type": "WEB",
      "url": "https://www.exploit-db.com/exploits/51354"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/ever-gauzy-jwt-authentication-weakness-via-hmac-secret"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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-2023-53951 (GCVE-0-2023-53951)

Vulnerability from cvelistv5 – Published: 2025-12-19 21:05 – Updated: 2025-12-19 21:53

Title

Ever Gauzy v0.281.9 JWT Authentication Weakness via HMAC Secret

Summary

Severity ?

9.3 (Critical)


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

9.8 (Critical)


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

CWE

CWE-347 - Improper Verification of Cryptographic Signature

Assigner

VulnCheck

References

URL

Tags

	https://www.exploit-db.com/exploits/51354	exploit
	https://github.com/ever-co/ever-gauzy	product
	https://www.vulncheck.com/advisories/ever-gauzy-j…	third-party-advisory

Impacted products

	Vendor	Product	Version
	Gauzy	ever gauzy	Affected: 0.281.9

Credits

nu11secur1ty

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-53951",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-12-19T21:53:27.479449Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
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        "providerMetadata": {
          "dateUpdated": "2025-12-19T21:53:59.635Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
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    "cna": {
      "affected": [
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          "product": "ever gauzy",
          "vendor": "Gauzy",
          "versions": [
            {
              "status": "affected",
              "version": "0.281.9"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "nu11secur1ty"
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          "lang": "en",
          "value": "Ever Gauzy v0.281.9 contains a JWT authentication vulnerability that allows attackers to exploit weak HMAC secret key implementation. Attackers can leverage the exposed JWT token to authenticate and gain unauthorized access with administrative permissions."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 9.3,
            "baseSeverity": "CRITICAL",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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"
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            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
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      "problemTypes": [
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          "descriptions": [
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        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
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      "references": [
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          "name": "ExploitDB-51354",
          "tags": [
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          "url": "https://www.exploit-db.com/exploits/51354"
        },
        {
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          "tags": [
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          "url": "https://github.com/ever-co/ever-gauzy"
        },
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          "name": "VulnCheck Advisory: Ever Gauzy v0.281.9 JWT Authentication Weakness via HMAC Secret",
          "tags": [
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          ],
          "url": "https://www.vulncheck.com/advisories/ever-gauzy-jwt-authentication-weakness-via-hmac-secret"
        }
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      "title": "Ever Gauzy v0.281.9 JWT Authentication Weakness via HMAC Secret",
      "x_generator": {
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  },
  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
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    "datePublished": "2025-12-19T21:05:50.739Z",
    "dateReserved": "2025-12-16T19:22:09.999Z",
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}

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-QH83-9FPX-6F4R

CVE-2023-53951 (GCVE-0-2023-53951)

Tags

Sightings

Nomenclature