CVE-2023-0284 (GCVE-0-2023-0284)
Vulnerability from cvelistv5 – Published: 2023-01-24 12:03 – Updated: 2025-03-27 20:22
VLAI
EPSS
VEX
Title
Improper validation of LDAP user IDs
Summary
Improper Input Validation of LDAP user IDs in Tribe29 Checkmk allows attackers that can control LDAP user IDs to manipulate files on the server. Checkmk <= 2.1.0p19, Checkmk <= 2.0.0p32, and all versions of Checkmk 1.6.0 (EOL) are affected.
Severity
6.8 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-03-27 20:21 UTC
CWE
- CWE-20 - Improper Input Validation
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://checkmk.com/werk/15181 |
Impacted products
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"lang": "en",
"value": "Improper Input Validation of LDAP user IDs in Tribe29 Checkmk allows attackers that can control LDAP user IDs to manipulate files on the server. Checkmk \u003c= 2.1.0p19, Checkmk \u003c= 2.0.0p32, and all versions of Checkmk 1.6.0 (EOL) are affected."
},
{
"lang": "es",
"value": "La validaci\u00f3n de entrada incorrecta de las ID de usuario LDAP en Tribe29 Checkmk permite a los atacantes que pueden controlar las ID de usuario LDAP manipular archivos en el servidor. Esta vulnerabilidad afecta a las versiones Checkmk \u0026lt;= 2.1.0p19, Checkmk \u0026lt;= 2.0.0p32 y todas las versiones de Checkmk 1.6.0 (EOL)."
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"id": "CVE-2023-0284",
"lastModified": "2024-11-21T07:36:53.613",
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"value": "La validaci\u00f3n de entrada incorrecta de las ID de usuario LDAP en Tribe29 Checkmk permite a los atacantes que pueden controlar las ID de usuario LDAP manipular archivos en el servidor. Esta vulnerabilidad afecta a las versiones Checkmk \u0026lt;= 2.1.0p19, Checkmk \u0026lt;= 2.0.0p32 y todas las versiones de Checkmk 1.6.0 (EOL)."
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"role": "CISA Coordinator",
"timestamp": "2025-03-27T20:21:51.839182Z",
"version": "2.0.3"
}
}
]
},
"published": "2023-01-26T21:18:07.030",
"references": [
{
"source": "security@checkmk.com",
"tags": [
"Vendor Advisory"
],
"url": "https://checkmk.com/werk/15181"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://checkmk.com/werk/15181"
}
],
"sourceIdentifier": "security@checkmk.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-20"
}
],
"source": "security@checkmk.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-20"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"current_release_date": "2025-05-29T00:56:09+00:00",
"cve": "CVE-2023-0284",
"id": "CVE-2023-0284",
"initial_release_date": "2023-01-01T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "Improper validation of LDAP user IDs",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-0284.json",
"version": "3"
},
"vulnrichment": {
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-02T05:02:44.148Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_transferred"
],
"url": "https://checkmk.com/werk/15181"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2023-0284",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-03-27T20:21:51.839182Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-03-27T20:21:56.806Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Checkmk",
"vendor": "Tribe29",
"versions": [
{
"lessThanOrEqual": "2.0.0p32",
"status": "affected",
"version": "2.0.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "2.1.0p19",
"status": "affected",
"version": "2.1.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "1.6.0p30",
"status": "affected",
"version": "1.6.0",
"versionType": "semver"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Improper Input Validation of LDAP user IDs in Tribe29 Checkmk allows attackers that can control LDAP user IDs to manipulate files on the server. Checkmk \u003c= 2.1.0p19, Checkmk \u003c= 2.0.0p32, and all versions of Checkmk 1.6.0 (EOL) are affected."
}
],
"impacts": [
{
"capecId": "CAPEC-153",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-153 Input Data Manipulation"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 6.8,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-20",
"description": "CWE-20 Improper Input Validation",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2023-01-24T12:03:57.774Z",
"orgId": "f7d6281c-4801-44ce-ace2-493291dedb0f",
"shortName": "Tribe29"
},
"references": [
{
"url": "https://checkmk.com/werk/15181"
}
],
"title": "Improper validation of LDAP user IDs"
}
},
"cveMetadata": {
"assignerOrgId": "f7d6281c-4801-44ce-ace2-493291dedb0f",
"assignerShortName": "Tribe29",
"cveId": "CVE-2023-0284",
"datePublished": "2023-01-24T12:03:57.774Z",
"dateReserved": "2023-01-13T09:42:39.643Z",
"dateUpdated": "2025-03-27T20:22:06.041Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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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.
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