github - ghsa-2x34-p5xr-4cq8

GHSA-2X34-P5XR-4CQ8

Vulnerability from github – Published: 2025-12-03 12:30 – Updated: 2025-12-03 12:30

Details

User enumeration in Nagvis' Checkmk MultisiteAuth before version 1.9.48 allows an unauthenticated attacker to enumerate Checkmk usernames.

Severity ?

6.9 (Medium)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2025-39665"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-203"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-12-03T10:15:47Z",
    "severity": "MODERATE"
  },
  "details": "User enumeration in Nagvis\u0027 Checkmk MultisiteAuth before version 1.9.48 allows an unauthenticated attacker to enumerate Checkmk usernames.",
  "id": "GHSA-2x34-p5xr-4cq8",
  "modified": "2025-12-03T12:30:14Z",
  "published": "2025-12-03T12:30:14Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-39665"
    },
    {
      "type": "WEB",
      "url": "https://github.com/NagVis/nagvis/pull/411/commits/4acabcf9d5b2d26f390e760f59def8e163908d66"
    },
    {
      "type": "WEB",
      "url": "https://www.nagvis.org/downloads/changelog/1.9.48"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/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-2025-39665 (GCVE-0-2025-39665)

Vulnerability from cvelistv5 – Published: 2025-12-03 09:55 – Updated: 2025-12-03 14:11

Summary

User enumeration in Nagvis' Checkmk MultisiteAuth before version 1.9.48 allows an unauthenticated attacker to enumerate Checkmk usernames.

Severity ?

6.9 (Medium)


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

CWE

CWE-203 - Observable Discrepancy

Assigner

Checkmk

References

URL

Tags

	https://github.com/NagVis/nagvis/pull/411/commits…
	https://www.nagvis.org/downloads/changelog/1.9.48

Impacted products

	Vendor	Product	Version
	Nagvis	Nagvis	Affected: 1.9.0 , < 1.9.48 (semver)

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-39665",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-12-03T14:11:01.247254Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-12-03T14:11:10.954Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Nagvis",
          "vendor": "Nagvis",
          "versions": [
            {
              "lessThan": "1.9.48",
              "status": "affected",
              "version": "1.9.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:nagvis:nagvis:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "1.9.48",
                  "versionStartIncluding": "1.9.0",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "User enumeration in Nagvis\u0027 Checkmk MultisiteAuth before version 1.9.48 allows an unauthenticated attacker to enumerate Checkmk usernames."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-575",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-575: Account Footprinting"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 6.9,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
            "version": "4.0"
          }
        }
      ],
      "problemTypes": [
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          "descriptions": [
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              "cweId": "CWE-203",
              "description": "CWE-203: Observable Discrepancy",
              "lang": "en",
              "type": "CWE"
            }
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      ],
      "providerMetadata": {
        "dateUpdated": "2025-12-03T09:55:41.096Z",
        "orgId": "f7d6281c-4801-44ce-ace2-493291dedb0f",
        "shortName": "Checkmk"
      },
      "references": [
        {
          "url": "https://github.com/NagVis/nagvis/pull/411/commits/4acabcf9d5b2d26f390e760f59def8e163908d66"
        },
        {
          "url": "https://www.nagvis.org/downloads/changelog/1.9.48"
        }
      ],
      "title": "Livestatus Injection in dynmaps"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f7d6281c-4801-44ce-ace2-493291dedb0f",
    "assignerShortName": "Checkmk",
    "cveId": "CVE-2025-39665",
    "datePublished": "2025-12-03T09:55:41.096Z",
    "dateReserved": "2025-04-16T07:07:38.256Z",
    "dateUpdated": "2025-12-03T14:11:10.954Z",
    "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-2X34-P5XR-4CQ8

CVE-2025-39665 (GCVE-0-2025-39665)

Tags

Sightings

Nomenclature