FKIE_CVE-2025-4922

Vulnerability from fkie_nvd - Published: 2025-06-11 14:15 - Updated: 2026-06-17 09:34
Severity
8.1 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Summary
Nomad Community and Nomad Enterprise (“Nomad”) prefix-based ACL policy lookup can lead to incorrect rule application and shadowing. This vulnerability, identified as CVE-2025-4922, is fixed in Nomad Community Edition 1.10.2 and Nomad Enterprise 1.10.2, 1.9.10, and 1.8.14.
References
security@hashicorp.comhttps://discuss.hashicorp.com/t/hcsec-2025-12-nomad-vulnerable-to-incorrect-acl-policy-lookup-attached-to-a-job/75396Vendor Advisory
Impacted products
Vendor Product Version
hashicorp nomad *
hashicorp nomad *
hashicorp nomad *
hashicorp nomad *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "platforms": [
            "64 bit",
            "32 bit",
            "x86",
            "ARM",
            "MacOS",
            "Windows",
            "Linux"
          ],
          "product": "Nomad",
          "repo": "https://github.com/hashicorp/nomad",
          "vendor": "HashiCorp",
          "versions": [
            {
              "lessThan": "1.10.2",
              "status": "affected",
              "version": "1.4.0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "platforms": [
            "64 bit",
            "32 bit",
            "x86",
            "ARM",
            "MacOS",
            "Windows",
            "Linux"
          ],
          "product": "Nomad Enterprise",
          "repo": "https://github.com/hashicorp/nomad",
          "vendor": "HashiCorp",
          "versions": [
            {
              "changes": [
                {
                  "at": "1.9.10",
                  "status": "unaffected"
                },
                {
                  "at": "1.8.14",
                  "status": "unaffected"
                }
              ],
              "lessThan": "1.10.2",
              "status": "affected",
              "version": "1.4.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "security@hashicorp.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:hashicorp:nomad:*:*:*:*:enterprise:*:*:*",
              "matchCriteriaId": "E6D7B65F-9EEE-487F-ACD7-93707A911092",
              "versionEndExcluding": "1.8.14",
              "versionStartIncluding": "1.4.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:hashicorp:nomad:*:*:*:*:-:*:*:*",
              "matchCriteriaId": "742C1B18-D7D0-45F3-A246-6956D1C5B7BB",
              "versionEndExcluding": "1.10.2",
              "versionStartIncluding": "1.4.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:hashicorp:nomad:*:*:*:*:enterprise:*:*:*",
              "matchCriteriaId": "F6FB345B-527B-4D79-A15C-488CBCDF6018",
              "versionEndExcluding": "1.9.10",
              "versionStartIncluding": "1.9.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:hashicorp:nomad:*:*:*:*:enterprise:*:*:*",
              "matchCriteriaId": "40B1B782-4D87-4E8F-8297-9B561A356C6C",
              "versionEndExcluding": "1.10.2",
              "versionStartIncluding": "1.10.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Nomad Community and Nomad Enterprise (\u201cNomad\u201d) prefix-based ACL policy lookup can lead to incorrect rule application and shadowing. This vulnerability, identified as CVE-2025-4922, is fixed in Nomad Community Edition 1.10.2 and Nomad Enterprise 1.10.2, 1.9.10, and 1.8.14."
    },
    {
      "lang": "es",
      "value": "La b\u00fasqueda de pol\u00edticas de ACL basadas en prefijos de Nomad Community y Nomad Enterprise (\u00abNomad\u00bb) puede provocar la aplicaci\u00f3n incorrecta de reglas y el shadowing. Esta vulnerabilidad, identificada como CVE-2025-4922, est\u00e1 corregida en Nomad Community Edition 1.10.2 y Nomad Enterprise 1.10.2, 1.9.10 y 1.8.14."
    }
  ],
  "id": "CVE-2025-4922",
  "lastModified": "2026-06-17T09:34:18.970",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 8.1,
          "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:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.2,
        "source": "security@hashicorp.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-4922",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-06-11T13:52:06.362667Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2025-06-11T14:15:37.140",
  "references": [
    {
      "source": "security@hashicorp.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://discuss.hashicorp.com/t/hcsec-2025-12-nomad-vulnerable-to-incorrect-acl-policy-lookup-attached-to-a-job/75396"
    }
  ],
  "sourceIdentifier": "security@hashicorp.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-266"
        }
      ],
      "source": "security@hashicorp.com",
      "type": "Secondary"
    }
  ]
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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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.