CVE-2020-1958 (GCVE-0-2020-1958)
Vulnerability from cvelistv5 – Published: 2020-04-01 21:48 – Updated: 2024-08-04 06:54
VLAI
EPSS
VEX
Summary
When LDAP authentication is enabled in Apache Druid 0.17.0, callers of Druid APIs with a valid set of LDAP credentials can bypass the credentialsValidator.userSearch filter barrier that determines if a valid LDAP user is allowed to authenticate with Druid. They are still subject to role-based authorization checks, if configured. Callers of Druid APIs can also retrieve any LDAP attribute values of users that exist on the LDAP server, so long as that information is visible to the Druid server. This information disclosure does not require the caller itself to be a valid LDAP user.
Severity
6.5 (Medium)
CWE
- Unauthorized access and information disclosure
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread.html/r9d437371793… | x_refsource_MISC |
| https://lists.apache.org/thread.html/r1526dbce98a… | mailing-listx_refsource_MLIST |
| https://lists.apache.org/thread.html/rffabc9e83cc… | mailing-listx_refsource_MLIST |
| https://lists.apache.org/thread.html/r1c32c95543d… | mailing-listx_refsource_MLIST |
| https://lists.apache.org/thread.html/rf70876ecafb… | mailing-listx_refsource_MLIST |
| https://lists.apache.org/thread.html/r026540c617d… | mailing-listx_refsource_MLIST |
| https://lists.apache.org/thread.html/r75e74d39c41… | mailing-listx_refsource_MLIST |
| https://lists.apache.org/thread.html/r47c90a378ef… | mailing-listx_refsource_MLIST |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Apache | Apache Druid |
Affected:
0.17.0
|
guessed |
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{
"description": [
{
"lang": "en",
"value": "CWE-74"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"nvd": {
"cve": {
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:apache:druid:0.17.0:*:*:*:*:*:*:*",
"matchCriteriaId": "26A864B6-C649-4405-886A-82FA0C2399F8",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "When LDAP authentication is enabled in Apache Druid 0.17.0, callers of Druid APIs with a valid set of LDAP credentials can bypass the credentialsValidator.userSearch filter barrier that determines if a valid LDAP user is allowed to authenticate with Druid. They are still subject to role-based authorization checks, if configured. Callers of Druid APIs can also retrieve any LDAP attribute values of users that exist on the LDAP server, so long as that information is visible to the Druid server. This information disclosure does not require the caller itself to be a valid LDAP user."
},
{
"lang": "es",
"value": "Cuando la autenticaci\u00f3n LDAP est\u00e1 habilitada en Apache Druid versi\u00f3n 0.17.0, las personas que llaman desde las API de Druid con un conjunto v\u00e1lido de credenciales LDAP pueden omitir la barrera de filtro credentialsValidator.userSearch que determina si un usuario LDAP v\u00e1lido est\u00e1 habilitado para autenticarse con Druid. A\u00fan est\u00e1n sujetos a comprobaciones de autorizaci\u00f3n basadas en roles, si est\u00e1n configuradas. Las personas que llaman de las API de Druid tambi\u00e9n pueden recuperar cualquiera de los valores de atributo LDAP de los usuarios que existan en el servidor LDAP, siempre que esa informaci\u00f3n este visible para el servidor Druid. Esta divulgaci\u00f3n de informaci\u00f3n no requiere que la persona que llama sea un usuario LDAP v\u00e1lido."
}
],
"id": "CVE-2020-1958",
"lastModified": "2024-11-21T05:11:44.257",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "LOW",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "NONE",
"baseScore": 3.5,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:M/Au:S/C:P/I:N/A:N",
"version": "2.0"
},
"exploitabilityScore": 6.8,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2020-04-01T22:15:17.487",
"references": [
{
"source": "security@apache.org",
"url": "https://lists.apache.org/thread.html/r026540c617d334007810cd8f0068f617b5c78444be00a31fc1b03390%40%3Ccommits.druid.apache.org%3E"
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{
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},
{
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"Vendor Advisory"
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},
{
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},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
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}
],
"sourceIdentifier": "security@apache.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-74"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2026-06-26T21:59:37+00:00",
"cve": "CVE-2020-1958",
"id": "CVE-2020-1958",
"initial_release_date": "2020-04-01T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "druid: Bypass of the credentialsValidator.userSearch filter in Druid API",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2020/cve-2020-1958.json",
"version": "3"
}
}
}
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Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
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.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
How durations are calculated
Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.
Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.
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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.