ubuntu-cve-2025-39665
Vulnerability from osv_ubuntu
Published
2025-12-03 10:15
Modified
2026-05-20 15:20
Summary
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
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "nagvis",
            "binary_version": "1:1.7.10+dfsg1-3ubuntu1"
          },
          {
            "binary_name": "nagvis-demos",
            "binary_version": "1:1.7.10+dfsg1-3ubuntu1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "nagvis",
        "purl": "pkg:deb/ubuntu/nagvis@1:1.7.10+dfsg1-3ubuntu1?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:1.7.10+dfsg1-3",
        "1:1.7.10+dfsg1-3ubuntu1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "nagvis",
            "binary_version": "1:1.7.10+dfsg1-3.2"
          },
          {
            "binary_name": "nagvis-demos",
            "binary_version": "1:1.7.10+dfsg1-3.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "nagvis",
        "purl": "pkg:deb/ubuntu/nagvis@1:1.7.10+dfsg1-3.2?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:1.7.10+dfsg1-3.2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "nagvis",
            "binary_version": "1:1.9.30-1"
          },
          {
            "binary_name": "nagvis-demos",
            "binary_version": "1:1.9.30-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "nagvis",
        "purl": "pkg:deb/ubuntu/nagvis@1:1.9.30-1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:1.9.25-2",
        "1:1.9.27-1",
        "1:1.9.28-1",
        "1:1.9.29-1",
        "1:1.9.30-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "nagvis",
            "binary_version": "1:1.9.40-1"
          },
          {
            "binary_name": "nagvis-demos",
            "binary_version": "1:1.9.40-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "nagvis",
        "purl": "pkg:deb/ubuntu/nagvis@1:1.9.40-1?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:1.9.36-1",
        "1:1.9.38-1",
        "1:1.9.39-1",
        "1:1.9.40-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "nagvis",
            "binary_version": "1:1.9.47-1"
          },
          {
            "binary_name": "nagvis-demos",
            "binary_version": "1:1.9.47-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "nagvis",
        "purl": "pkg:deb/ubuntu/nagvis@1:1.9.47-1?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:1.9.44-1",
        "1:1.9.46-1",
        "1:1.9.47-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "nagvis",
            "binary_version": "1:1.9.48-1"
          },
          {
            "binary_name": "nagvis-demos",
            "binary_version": "1:1.9.48-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "nagvis",
        "purl": "pkg:deb/ubuntu/nagvis@1:1.9.48-1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:1.9.47-1",
        "1:1.9.48-1"
      ]
    }
  ],
  "aliases": [],
  "details": "User enumeration in Nagvis\u0027 Checkmk MultisiteAuth before version 1.9.48 allows an unauthenticated attacker to enumerate Checkmk usernames.",
  "id": "UBUNTU-CVE-2025-39665",
  "modified": "2026-05-20T15:20:50Z",
  "published": "2025-12-03T10:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2025-39665"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-39665"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/NagVis/nagvis/pull/411"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/NagVis/nagvis/pull/411/commits/4acabcf9d5b2d26f390e760f59def8e163908d66"
    },
    {
      "type": "REPORT",
      "url": "https://www.nagvis.org/downloads/changelog/1.9.48"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "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",
      "type": "CVSS_V4"
    },
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2025-39665"
  ]
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





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

Author Source Type Date Other

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.