GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2023-2020 (GCVE-0-2023-2020)

Vulnerability from cvelistv5 – Published: 2023-04-18 11:09 – Updated: 2025-02-05 15:48
VLAI
Title
Unauthorized scheduling of downtimes via REST API
Summary
Insufficient permission checks in the REST API in Tribe29 Checkmk <= 2.1.0p27 and <= 2.2.0b4 (beta) allow unauthorized users to schedule downtimes for any host.
Severity
4.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-02-05 15:48 UTC
CWE
  • CWE-280 - Improper Handling of Insufficient Permissions or Privileges
Assigner
References
Impacted products
Vendor Product Version CPE status
Tribe29 Checkmk Affected: 2.2.0 , ≤ 2.2.0b4 (semver)
Affected: 2.1.0 , ≤ 2.1.0p27 (semver)
guessed Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T06:12:19.531Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://checkmk.com/werk/13981"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-2020",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-02-05T15:48:04.310630Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-02-05T15:48:19.218Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Checkmk",
          "vendor": "Tribe29",
          "versions": [
            {
              "lessThanOrEqual": "2.2.0b4",
              "status": "affected",
              "version": "2.2.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "2.1.0p27",
              "status": "affected",
              "version": "2.1.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Insufficient permission checks in the REST API in Tribe29 Checkmk \u003c= 2.1.0p27 and \u003c= 2.2.0b4 (beta) allow unauthorized users to schedule downtimes for any host."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-122",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-122: Privilege Abuse"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-280",
              "description": "CWE-280: Improper Handling of Insufficient Permissions or Privileges",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-04-18T11:09:09.107Z",
        "orgId": "f7d6281c-4801-44ce-ace2-493291dedb0f",
        "shortName": "Tribe29"
      },
      "references": [
        {
          "url": "https://checkmk.com/werk/13981"
        }
      ],
      "title": "Unauthorized scheduling of downtimes via REST API"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f7d6281c-4801-44ce-ace2-493291dedb0f",
    "assignerShortName": "Tribe29",
    "cveId": "CVE-2023-2020",
    "datePublished": "2023-04-18T11:09:09.107Z",
    "dateReserved": "2023-04-13T08:38:39.338Z",
    "dateUpdated": "2025-02-05T15:48:19.218Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2023-2020",
      "date": "2026-09-16",
      "epss": "0.00405",
      "percentile": "0.34338"
    },
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:checkmk:checkmk:2.1.0:-:*:*:*:*:*:*\", \"matchCriteriaId\": \"1AE224D8-742B-4D1F-ABBE-3DDA3EA5C5AD\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:checkmk:checkmk:2.1.0:b1:*:*:*:*:*:*\", \"matchCriteriaId\": \"1E6FCE7B-7ECE-42A4-82C5-12A647B0CCC8\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:checkmk:checkmk:2.1.0:b2:*:*:*:*:*:*\", \"matchCriteriaId\": \"923AA113-D5E7-4F78-88BA-B72EF250F3EA\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:checkmk:checkmk:2.1.0:b3:*:*:*:*:*:*\", \"matchCriteriaId\": \"B1984F57-A313-48AC-B8F9-F352D82824D6\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:checkmk:checkmk:2.1.0:b4:*:*:*:*:*:*\", \"matchCriteriaId\": \"A38DB527-72A6-40B8-B46F-B8E78BFFDB1F\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:checkmk:checkmk:2.1.0:b5:*:*:*:*:*:*\", \"matchCriteriaId\": \"67643E11-91A1-4580-BC4C-574074C862CB\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:checkmk:checkmk:2.1.0:b6:*:*:*:*:*:*\", \"matchCriteriaId\": \"350B7E0F-D234-4D7C-91E4-F35E73579A24\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:checkmk:checkmk:2.1.0:b7:*:*:*:*:*:*\", \"matchCriteriaId\": \"DE58ACA9-8078-46A7-8487-C06E4E38F372\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:checkmk:checkmk:2.1.0:b8:*:*:*:*:*:*\", \"matchCriteriaId\": \"B3D8CF4D-E1F8-4D8D-A8A9-1783CAC869E4\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:checkmk:checkmk:2.1.0:b9:*:*:*:*:*:*\", \"matchCriteriaId\": \"58B0B051-7D3C-4EC7-96B0-38A1CC108D61\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:checkmk:checkmk:2.1.0:p1:*:*:*:*:*:*\", \"matchCriteriaId\": \"B783A741-AAF2-43EE-8272-9239133A01E8\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:checkmk:checkmk:2.1.0:p10:*:*:*:*:*:*\", \"matchCriteriaId\": \"A5F275A3-A99E-40E1-BD77-694FA568541F\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:checkmk:checkmk:2.1.0:p11:*:*:*:*:*:*\", \"matchCriteriaId\": \"3A44BF1A-5BE0-4412-B51D-055445758B61\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:checkmk:checkmk:2.1.0:p12:*:*:*:*:*:*\", \"matchCriteriaId\": \"A31BAE94-9096-4320-AC19-AA204E8EC08D\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:checkmk:checkmk:2.1.0:p13:*:*:*:*:*:*\", \"matchCriteriaId\": \"1B0784EA-98E8-4490-B97B-894F188A223D\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:checkmk:checkmk:2.1.0:p14:*:*:*:*:*:*\", \"matchCriteriaId\": \"A56A901F-1040-4DB9-9BE3-FE1999C514CA\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:checkmk:checkmk:2.1.0:p15:*:*:*:*:*:*\", \"matchCriteriaId\": \"58A904FC-C015-469D-8502-E678D5FDBD06\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:checkmk:checkmk:2.1.0:p16:*:*:*:*:*:*\", \"matchCriteriaId\": \"1B5D109C-60AA-4FA4-9B10-2191AAF109F2\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:checkmk:checkmk:2.1.0:p17:*:*:*:*:*:*\", \"matchCriteriaId\": \"37297866-24BB-4044-8744-EC0A8C29F152\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:checkmk:checkmk:2.1.0:p18:*:*:*:*:*:*\", \"matchCriteriaId\": \"F9D4A171-CCB3-43B8-8B70-78610423E7C0\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:checkmk:checkmk:2.1.0:p2:*:*:*:*:*:*\", \"matchCriteriaId\": \"4DA8F776-A724-48FC-B7EF-13788BC69753\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:checkmk:checkmk:2.1.0:p20:*:*:*:*:*:*\", \"matchCriteriaId\": \"46F42A22-99F2-4DF5-9B00-3123396F87AC\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:checkmk:checkmk:2.1.0:p21:*:*:*:*:*:*\", \"matchCriteriaId\": \"1C59D4D3-D526-4E6B-B3AA-FE485D030190\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:checkmk:checkmk:2.1.0:p22:*:*:*:*:*:*\", \"matchCriteriaId\": \"65E5CAE6-DC8B-47B3-84A0-D79B0C33EB45\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:checkmk:checkmk:2.1.0:p23:*:*:*:*:*:*\", \"matchCriteriaId\": \"8B9E0D89-79E2-476A-8A3E-8443316BC310\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:checkmk:checkmk:2.1.0:p24:*:*:*:*:*:*\", \"matchCriteriaId\": \"38EA0591-C30B-4102-8A06-1B922FD3A0C7\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:checkmk:checkmk:2.1.0:p25:*:*:*:*:*:*\", \"matchCriteriaId\": \"5E9AF0D3-8DD6-4EC7-BB33-54401D4025FC\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:checkmk:checkmk:2.1.0:p26:*:*:*:*:*:*\", \"matchCriteriaId\": \"983604CC-DD2C-42A9-8B9D-A9A261CE8BA6\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:checkmk:checkmk:2.1.0:p27:*:*:*:*:*:*\", \"matchCriteriaId\": \"224960F7-695C-415B-B991-E8C01859AA80\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:checkmk:checkmk:2.1.0:p3:*:*:*:*:*:*\", \"matchCriteriaId\": \"076463AA-195F-4CD6-861B-72FE1C8A407F\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:checkmk:checkmk:2.1.0:p4:*:*:*:*:*:*\", \"matchCriteriaId\": \"63043834-98E5-47C2-91F1-41B98270ABCA\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:checkmk:checkmk:2.1.0:p5:*:*:*:*:*:*\", \"matchCriteriaId\": \"FCF745D0-2EA6-4414-90BC-99D3ED08BB01\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:checkmk:checkmk:2.1.0:p6:*:*:*:*:*:*\", \"matchCriteriaId\": \"4823087F-D7FA-4594-8FD3-412DE5EA1F02\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:checkmk:checkmk:2.1.0:p7:*:*:*:*:*:*\", \"matchCriteriaId\": \"6429F9CE-D477-4CFF-B6E0-4BF11B61ED0E\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:checkmk:checkmk:2.1.0:p8:*:*:*:*:*:*\", \"matchCriteriaId\": \"A50C58F9-94ED-4D85-8331-2D81F8E0760A\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:checkmk:checkmk:2.1.0:p9:*:*:*:*:*:*\", \"matchCriteriaId\": \"9A6AC0BD-FB65-4FAA-B344-66F87F16F8B3\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:checkmk:checkmk:2.2.0:b1:*:*:*:*:*:*\", \"matchCriteriaId\": \"B068974F-6F67-4CBB-B567-FCED86E28F22\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:checkmk:checkmk:2.2.0:b2:*:*:*:*:*:*\", \"matchCriteriaId\": \"EA70F36A-EEF6-48DC-B15E-055D0DE8A052\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:checkmk:checkmk:2.2.0:b3:*:*:*:*:*:*\", \"matchCriteriaId\": \"B2017F38-38DB-4E96-B34F-160BC731CBBE\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:checkmk:checkmk:2.2.0:b4:*:*:*:*:*:*\", \"matchCriteriaId\": \"0949F399-371B-409C-AF9F-32690D881440\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:checkmk:checkmk:2.2.0:i1:*:*:*:*:*:*\", \"matchCriteriaId\": \"4F0B99A8-A124-43BD-B8AA-EECC9112346F\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"Insufficient permission checks in the REST API in Tribe29 Checkmk \u003c= 2.1.0p27 and \u003c= 2.2.0b4 (beta) allow unauthorized users to schedule downtimes for any host.\"}]",
      "id": "CVE-2023-2020",
      "lastModified": "2024-11-21T07:57:46.397",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"security@checkmk.com\", \"type\": \"Secondary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N\", \"baseScore\": 4.3, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"LOW\", \"availabilityImpact\": \"NONE\"}, \"exploitabilityScore\": 2.8, \"impactScore\": 1.4}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N\", \"baseScore\": 4.3, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"LOW\", \"availabilityImpact\": \"NONE\"}, \"exploitabilityScore\": 2.8, \"impactScore\": 1.4}]}",
      "published": "2023-04-18T12:15:07.537",
      "references": "[{\"url\": \"https://checkmk.com/werk/13981\", \"source\": \"security@checkmk.com\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://checkmk.com/werk/13981\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}]",
      "sourceIdentifier": "security@checkmk.com",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"security@checkmk.com\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-280\"}]}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-863\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-2020\",\"sourceIdentifier\":\"security@checkmk.com\",\"published\":\"2023-04-18T12:15:07.537\",\"lastModified\":\"2026-06-17T05:51:12.637\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Insufficient permission checks in the REST API in Tribe29 Checkmk \u003c= 2.1.0p27 and \u003c= 2.2.0b4 (beta) allow unauthorized users to schedule downtimes for any host.\"}],\"affected\":[{\"source\":\"security@checkmk.com\",\"affectedData\":[{\"vendor\":\"Tribe29\",\"product\":\"Checkmk\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"2.2.0\",\"lessThanOrEqual\":\"2.2.0b4\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"2.1.0\",\"lessThanOrEqual\":\"2.1.0p27\",\"versionType\":\"semver\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security@checkmk.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N\",\"baseScore\":4.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":1.4},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N\",\"baseScore\":4.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":1.4}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2025-02-05T15:48:04.310630Z\",\"id\":\"CVE-2023-2020\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"security@checkmk.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-280\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-863\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:checkmk:checkmk:2.1.0:-:*:*:*:*:*:*\",\"matchCriteriaId\":\"1AE224D8-742B-4D1F-ABBE-3DDA3EA5C5AD\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:checkmk:checkmk:2.1.0:b1:*:*:*:*:*:*\",\"matchCriteriaId\":\"1E6FCE7B-7ECE-42A4-82C5-12A647B0CCC8\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:checkmk:checkmk:2.1.0:b2:*:*:*:*:*:*\",\"matchCriteriaId\":\"923AA113-D5E7-4F78-88BA-B72EF250F3EA\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:checkmk:checkmk:2.1.0:b3:*:*:*:*:*:*\",\"matchCriteriaId\":\"B1984F57-A313-48AC-B8F9-F352D82824D6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:checkmk:checkmk:2.1.0:b4:*:*:*:*:*:*\",\"matchCriteriaId\":\"A38DB527-72A6-40B8-B46F-B8E78BFFDB1F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:checkmk:checkmk:2.1.0:b5:*:*:*:*:*:*\",\"matchCriteriaId\":\"67643E11-91A1-4580-BC4C-574074C862CB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:checkmk:checkmk:2.1.0:b6:*:*:*:*:*:*\",\"matchCriteriaId\":\"350B7E0F-D234-4D7C-91E4-F35E73579A24\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:checkmk:checkmk:2.1.0:b7:*:*:*:*:*:*\",\"matchCriteriaId\":\"DE58ACA9-8078-46A7-8487-C06E4E38F372\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:checkmk:checkmk:2.1.0:b8:*:*:*:*:*:*\",\"matchCriteriaId\":\"B3D8CF4D-E1F8-4D8D-A8A9-1783CAC869E4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:checkmk:checkmk:2.1.0:b9:*:*:*:*:*:*\",\"matchCriteriaId\":\"58B0B051-7D3C-4EC7-96B0-38A1CC108D61\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:checkmk:checkmk:2.1.0:p1:*:*:*:*:*:*\",\"matchCriteriaId\":\"B783A741-AAF2-43EE-8272-9239133A01E8\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:checkmk:checkmk:2.1.0:p10:*:*:*:*:*:*\",\"matchCriteriaId\":\"A5F275A3-A99E-40E1-BD77-694FA568541F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:checkmk:checkmk:2.1.0:p11:*:*:*:*:*:*\",\"matchCriteriaId\":\"3A44BF1A-5BE0-4412-B51D-055445758B61\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:checkmk:checkmk:2.1.0:p12:*:*:*:*:*:*\",\"matchCriteriaId\":\"A31BAE94-9096-4320-AC19-AA204E8EC08D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:checkmk:checkmk:2.1.0:p13:*:*:*:*:*:*\",\"matchCriteriaId\":\"1B0784EA-98E8-4490-B97B-894F188A223D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:checkmk:checkmk:2.1.0:p14:*:*:*:*:*:*\",\"matchCriteriaId\":\"A56A901F-1040-4DB9-9BE3-FE1999C514CA\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:checkmk:checkmk:2.1.0:p15:*:*:*:*:*:*\",\"matchCriteriaId\":\"58A904FC-C015-469D-8502-E678D5FDBD06\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:checkmk:checkmk:2.1.0:p16:*:*:*:*:*:*\",\"matchCriteriaId\":\"1B5D109C-60AA-4FA4-9B10-2191AAF109F2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:checkmk:checkmk:2.1.0:p17:*:*:*:*:*:*\",\"matchCriteriaId\":\"37297866-24BB-4044-8744-EC0A8C29F152\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:checkmk:checkmk:2.1.0:p18:*:*:*:*:*:*\",\"matchCriteriaId\":\"F9D4A171-CCB3-43B8-8B70-78610423E7C0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:checkmk:checkmk:2.1.0:p2:*:*:*:*:*:*\",\"matchCriteriaId\":\"4DA8F776-A724-48FC-B7EF-13788BC69753\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:checkmk:checkmk:2.1.0:p20:*:*:*:*:*:*\",\"matchCriteriaId\":\"46F42A22-99F2-4DF5-9B00-3123396F87AC\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:checkmk:checkmk:2.1.0:p21:*:*:*:*:*:*\",\"matchCriteriaId\":\"1C59D4D3-D526-4E6B-B3AA-FE485D030190\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:checkmk:checkmk:2.1.0:p22:*:*:*:*:*:*\",\"matchCriteriaId\":\"65E5CAE6-DC8B-47B3-84A0-D79B0C33EB45\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:checkmk:checkmk:2.1.0:p23:*:*:*:*:*:*\",\"matchCriteriaId\":\"8B9E0D89-79E2-476A-8A3E-8443316BC310\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:checkmk:checkmk:2.1.0:p24:*:*:*:*:*:*\",\"matchCriteriaId\":\"38EA0591-C30B-4102-8A06-1B922FD3A0C7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:checkmk:checkmk:2.1.0:p25:*:*:*:*:*:*\",\"matchCriteriaId\":\"5E9AF0D3-8DD6-4EC7-BB33-54401D4025FC\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:checkmk:checkmk:2.1.0:p26:*:*:*:*:*:*\",\"matchCriteriaId\":\"983604CC-DD2C-42A9-8B9D-A9A261CE8BA6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:checkmk:checkmk:2.1.0:p27:*:*:*:*:*:*\",\"matchCriteriaId\":\"224960F7-695C-415B-B991-E8C01859AA80\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:checkmk:checkmk:2.1.0:p3:*:*:*:*:*:*\",\"matchCriteriaId\":\"076463AA-195F-4CD6-861B-72FE1C8A407F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:checkmk:checkmk:2.1.0:p4:*:*:*:*:*:*\",\"matchCriteriaId\":\"63043834-98E5-47C2-91F1-41B98270ABCA\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:checkmk:checkmk:2.1.0:p5:*:*:*:*:*:*\",\"matchCriteriaId\":\"FCF745D0-2EA6-4414-90BC-99D3ED08BB01\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:checkmk:checkmk:2.1.0:p6:*:*:*:*:*:*\",\"matchCriteriaId\":\"4823087F-D7FA-4594-8FD3-412DE5EA1F02\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:checkmk:checkmk:2.1.0:p7:*:*:*:*:*:*\",\"matchCriteriaId\":\"6429F9CE-D477-4CFF-B6E0-4BF11B61ED0E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:checkmk:checkmk:2.1.0:p8:*:*:*:*:*:*\",\"matchCriteriaId\":\"A50C58F9-94ED-4D85-8331-2D81F8E0760A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:checkmk:checkmk:2.1.0:p9:*:*:*:*:*:*\",\"matchCriteriaId\":\"9A6AC0BD-FB65-4FAA-B344-66F87F16F8B3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:checkmk:checkmk:2.2.0:b1:*:*:*:*:*:*\",\"matchCriteriaId\":\"B068974F-6F67-4CBB-B567-FCED86E28F22\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:checkmk:checkmk:2.2.0:b2:*:*:*:*:*:*\",\"matchCriteriaId\":\"EA70F36A-EEF6-48DC-B15E-055D0DE8A052\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:checkmk:checkmk:2.2.0:b3:*:*:*:*:*:*\",\"matchCriteriaId\":\"B2017F38-38DB-4E96-B34F-160BC731CBBE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:checkmk:checkmk:2.2.0:b4:*:*:*:*:*:*\",\"matchCriteriaId\":\"0949F399-371B-409C-AF9F-32690D881440\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:checkmk:checkmk:2.2.0:i1:*:*:*:*:*:*\",\"matchCriteriaId\":\"4F0B99A8-A124-43BD-B8AA-EECC9112346F\"}]}]}],\"references\":[{\"url\":\"https://checkmk.com/werk/13981\",\"source\":\"security@checkmk.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://checkmk.com/werk/13981\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}",
    "redhat_vex": {
      "current_release_date": "2025-05-28T23:51:13+00:00",
      "cve": "CVE-2023-2020",
      "id": "CVE-2023-2020",
      "initial_release_date": "2023-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "Unauthorized scheduling of downtimes via REST API",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-2020.json",
      "version": "3"
    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://checkmk.com/werk/13981\", \"tags\": [\"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-02T06:12:19.531Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2023-2020\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-02-05T15:48:04.310630Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-02-05T15:48:09.920Z\"}}], \"cna\": {\"title\": \"Unauthorized scheduling of downtimes via REST API\", \"impacts\": [{\"capecId\": \"CAPEC-122\", \"descriptions\": [{\"lang\": \"en\", \"value\": \"CAPEC-122: Privilege Abuse\"}]}], \"metrics\": [{\"cvssV3_1\": {\"version\": \"3.1\", \"baseScore\": 4.3, \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N\"}}], \"affected\": [{\"vendor\": \"Tribe29\", \"product\": \"Checkmk\", \"versions\": [{\"status\": \"affected\", \"version\": \"2.2.0\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"2.2.0b4\"}, {\"status\": \"affected\", \"version\": \"2.1.0\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"2.1.0p27\"}], \"defaultStatus\": \"unaffected\"}], \"references\": [{\"url\": \"https://checkmk.com/werk/13981\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"Insufficient permission checks in the REST API in Tribe29 Checkmk \u003c= 2.1.0p27 and \u003c= 2.2.0b4 (beta) allow unauthorized users to schedule downtimes for any host.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-280\", \"description\": \"CWE-280: Improper Handling of Insufficient Permissions or Privileges\"}]}], \"providerMetadata\": {\"orgId\": \"f7d6281c-4801-44ce-ace2-493291dedb0f\", \"shortName\": \"Tribe29\", \"dateUpdated\": \"2023-04-18T11:09:09.107Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2023-2020\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-02-05T15:48:19.218Z\", \"dateReserved\": \"2023-04-13T08:38:39.338Z\", \"assignerOrgId\": \"f7d6281c-4801-44ce-ace2-493291dedb0f\", \"datePublished\": \"2023-04-18T11:09:09.107Z\", \"assignerShortName\": \"Tribe29\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.