FKIE_CVE-2026-33457

Vulnerability from fkie_nvd - Published: 2026-04-10 09:16 - Updated: 2026-04-20 17:09
Summary
Livestatus injection in the prediction graph page in Checkmk <2.5.0b4, <2.4.0p26, and <2.3.0p47 allows an authenticated user to inject arbitrary Livestatus commands via a crafted service name parameter due to insufficient sanitization of the service description value.
References
Impacted products
Vendor Product Version
checkmk checkmk 2.3.0
checkmk checkmk 2.3.0
checkmk checkmk 2.3.0
checkmk checkmk 2.3.0
checkmk checkmk 2.3.0
checkmk checkmk 2.3.0
checkmk checkmk 2.3.0
checkmk checkmk 2.3.0
checkmk checkmk 2.3.0
checkmk checkmk 2.3.0
checkmk checkmk 2.3.0
checkmk checkmk 2.3.0
checkmk checkmk 2.3.0
checkmk checkmk 2.3.0
checkmk checkmk 2.3.0
checkmk checkmk 2.3.0
checkmk checkmk 2.3.0
checkmk checkmk 2.3.0
checkmk checkmk 2.3.0
checkmk checkmk 2.3.0
checkmk checkmk 2.3.0
checkmk checkmk 2.3.0
checkmk checkmk 2.3.0
checkmk checkmk 2.3.0
checkmk checkmk 2.3.0
checkmk checkmk 2.3.0
checkmk checkmk 2.3.0
checkmk checkmk 2.3.0
checkmk checkmk 2.3.0
checkmk checkmk 2.3.0
checkmk checkmk 2.3.0
checkmk checkmk 2.3.0
checkmk checkmk 2.3.0
checkmk checkmk 2.3.0
checkmk checkmk 2.3.0
checkmk checkmk 2.3.0
checkmk checkmk 2.3.0
checkmk checkmk 2.3.0
checkmk checkmk 2.3.0
checkmk checkmk 2.3.0
checkmk checkmk 2.3.0
checkmk checkmk 2.3.0
checkmk checkmk 2.3.0
checkmk checkmk 2.3.0
checkmk checkmk 2.3.0
checkmk checkmk 2.3.0
checkmk checkmk 2.3.0
checkmk checkmk 2.3.0
checkmk checkmk 2.3.0
checkmk checkmk 2.3.0
checkmk checkmk 2.3.0
checkmk checkmk 2.3.0
checkmk checkmk 2.3.0
checkmk checkmk 2.4.0
checkmk checkmk 2.4.0
checkmk checkmk 2.4.0
checkmk checkmk 2.4.0
checkmk checkmk 2.4.0
checkmk checkmk 2.4.0
checkmk checkmk 2.4.0
checkmk checkmk 2.4.0
checkmk checkmk 2.4.0
checkmk checkmk 2.4.0
checkmk checkmk 2.4.0
checkmk checkmk 2.4.0
checkmk checkmk 2.4.0
checkmk checkmk 2.4.0
checkmk checkmk 2.4.0
checkmk checkmk 2.4.0
checkmk checkmk 2.4.0
checkmk checkmk 2.4.0
checkmk checkmk 2.4.0
checkmk checkmk 2.4.0
checkmk checkmk 2.4.0
checkmk checkmk 2.4.0
checkmk checkmk 2.4.0
checkmk checkmk 2.4.0
checkmk checkmk 2.4.0
checkmk checkmk 2.4.0
checkmk checkmk 2.4.0
checkmk checkmk 2.4.0
checkmk checkmk 2.4.0
checkmk checkmk 2.4.0
checkmk checkmk 2.4.0
checkmk checkmk 2.4.0
checkmk checkmk 2.5.0
checkmk checkmk 2.5.0
checkmk checkmk 2.5.0

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              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:checkmk:checkmk:2.4.0:p25:*:*:*:*:*:*",
              "matchCriteriaId": "FAEB7D48-C80F-4804-8E76-C950B9714533",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:checkmk:checkmk:2.4.0:p3:*:*:*:*:*:*",
              "matchCriteriaId": "74F78C48-030A-48A1-B69E-04C4EA5CCC12",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:checkmk:checkmk:2.4.0:p4:*:*:*:*:*:*",
              "matchCriteriaId": "8701A914-774B-4E3B-A651-4A9FD19A187A",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:checkmk:checkmk:2.4.0:p5:*:*:*:*:*:*",
              "matchCriteriaId": "19E40054-C44D-4C4C-B077-0333D8201E5B",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:checkmk:checkmk:2.4.0:p6:*:*:*:*:*:*",
              "matchCriteriaId": "0E2D2F49-32B2-42AA-B99E-7C39403CF104",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:checkmk:checkmk:2.4.0:p7:*:*:*:*:*:*",
              "matchCriteriaId": "ACE440F8-EBF5-4DBB-A215-57D770C66219",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:checkmk:checkmk:2.4.0:p8:*:*:*:*:*:*",
              "matchCriteriaId": "1A94395D-DDCE-4977-89CA-46F71C3CA2B8",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:checkmk:checkmk:2.4.0:p9:*:*:*:*:*:*",
              "matchCriteriaId": "9513876C-8DF0-4A59-864F-8401BAA43376",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:checkmk:checkmk:2.5.0:b1:*:*:*:*:*:*",
              "matchCriteriaId": "F8943BB3-1487-494C-B4EB-89EB0B18B6A2",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:checkmk:checkmk:2.5.0:b2:*:*:*:*:*:*",
              "matchCriteriaId": "5342045D-CB9F-4663-9538-8B657C9AC833",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:checkmk:checkmk:2.5.0:b3:*:*:*:*:*:*",
              "matchCriteriaId": "E9566834-D4EE-4104-AD60-7988FCF17224",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Livestatus injection in the prediction graph page in Checkmk \u003c2.5.0b4, \u003c2.4.0p26, and \u003c2.3.0p47 allows an authenticated user to inject arbitrary Livestatus commands via a crafted service name parameter due to insufficient sanitization of the service description value."
    }
  ],
  "id": "CVE-2026-33457",
  "lastModified": "2026-04-20T17:09:23.317",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 6.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.4,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "LOW",
          "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:L/UI:N/VC:L/VI:L/VA:L/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",
          "version": "4.0",
          "vulnAvailabilityImpact": "LOW",
          "vulnConfidentialityImpact": "LOW",
          "vulnIntegrityImpact": "LOW",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "security@checkmk.com",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-04-10T09:16:24.630",
  "references": [
    {
      "source": "security@checkmk.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://checkmk.com/werk/17990"
    }
  ],
  "sourceIdentifier": "security@checkmk.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-140"
        }
      ],
      "source": "security@checkmk.com",
      "type": "Secondary"
    }
  ]
}


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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.


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Detection rules are retrieved from Rulezet.

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