CVE-2021-44791 (GCVE-0-2021-44791)
Vulnerability from cvelistv5 – Published: 2022-07-07 18:35 – Updated: 2024-08-04 04:32
VLAI
EPSS
VEX
Title
Reflected XSS on certain HTTP endpoints
Summary
In Apache Druid 0.22.1 and earlier, certain specially-crafted links result in unescaped URL parameters being sent back in HTML responses. This makes it possible to execute reflected XSS attacks.
Severity
No CVSS data available.
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/lh2kcl4j45q7xj4w6… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Apache Software Foundation | Apache Druid |
Affected:
Apache Druid , ≤ 0.22.1
(custom)
|
guessed |
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-04T04:32:13.108Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://lists.apache.org/thread/lh2kcl4j45q7xj4w6rqf6kwf0mvyp2o6"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "Apache Druid",
"vendor": "Apache Software Foundation",
"versions": [
{
"lessThanOrEqual": "0.22.1",
"status": "affected",
"version": "Apache Druid",
"versionType": "custom"
}
]
}
],
"credits": [
{
"lang": "en",
"value": "This issue was discovered by DangKhai from Viettel Cyber Security"
}
],
"descriptions": [
{
"lang": "en",
"value": "In Apache Druid 0.22.1 and earlier, certain specially-crafted links result in unescaped URL parameters being sent back in HTML responses. This makes it possible to execute reflected XSS attacks."
}
],
"metrics": [
{
"other": {
"content": {
"other": "low"
},
"type": "unknown"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-79",
"description": "CWE-79 Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2022-07-07T18:35:16.000Z",
"orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
"shortName": "apache"
},
"references": [
{
"tags": [
"x_refsource_MISC"
],
"url": "https://lists.apache.org/thread/lh2kcl4j45q7xj4w6rqf6kwf0mvyp2o6"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "Reflected XSS on certain HTTP endpoints",
"workarounds": [
{
"lang": "en",
"value": "Upgrade to Druid 0.23.0 or later."
}
],
"x_generator": {
"engine": "Vulnogram 0.0.9"
},
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "security@apache.org",
"ID": "CVE-2021-44791",
"STATE": "PUBLIC",
"TITLE": "Reflected XSS on certain HTTP endpoints"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "Apache Druid",
"version": {
"version_data": [
{
"version_affected": "\u003c=",
"version_name": "Apache Druid",
"version_value": "0.22.1"
}
]
}
}
]
},
"vendor_name": "Apache Software Foundation"
}
]
}
},
"credit": [
{
"lang": "eng",
"value": "This issue was discovered by DangKhai from Viettel Cyber Security"
}
],
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "In Apache Druid 0.22.1 and earlier, certain specially-crafted links result in unescaped URL parameters being sent back in HTML responses. This makes it possible to execute reflected XSS attacks."
}
]
},
"generator": {
"engine": "Vulnogram 0.0.9"
},
"impact": [
{
"other": "low"
}
],
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-79 Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://lists.apache.org/thread/lh2kcl4j45q7xj4w6rqf6kwf0mvyp2o6",
"refsource": "MISC",
"url": "https://lists.apache.org/thread/lh2kcl4j45q7xj4w6rqf6kwf0mvyp2o6"
}
]
},
"source": {
"discovery": "UNKNOWN"
},
"work_around": [
{
"lang": "en",
"value": "Upgrade to Druid 0.23.0 or later."
}
]
}
}
},
"cveMetadata": {
"assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
"assignerShortName": "apache",
"cveId": "CVE-2021-44791",
"datePublished": "2022-07-07T18:35:16.000Z",
"dateReserved": "2021-12-10T00:00:00.000Z",
"dateUpdated": "2024-08-04T04:32:13.108Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2021-44791",
"date": "2026-09-19",
"epss": "0.02148",
"percentile": "0.81296"
},
"fkie_nvd": {
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:apache:druid:*:*:*:*:*:*:*:*",
"matchCriteriaId": "43B1C363-3FCD-4039-9E04-2C9F163C55CC",
"versionEndIncluding": "0.22.1",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In Apache Druid 0.22.1 and earlier, certain specially-crafted links result in unescaped URL parameters being sent back in HTML responses. This makes it possible to execute reflected XSS attacks."
},
{
"lang": "es",
"value": "En Apache Druid versiones 0.22.1 y anteriores, algunos enlaces especialmente dise\u00f1ados resultan en el env\u00edo de par\u00e1metros de URL sin esconder en las respuestas HTML. Esto hace posible una ejecuci\u00f3n de ataques de tipo XSS reflejados"
}
],
"id": "CVE-2021-44791",
"lastModified": "2024-11-21T06:31:33.563",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 4.3,
"confidentialityImpact": "NONE",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": true
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.1,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 2.7,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2022-07-07T19:15:07.790",
"references": [
{
"source": "security@apache.org",
"tags": [
"Mailing List",
"Vendor Advisory"
],
"url": "https://lists.apache.org/thread/lh2kcl4j45q7xj4w6rqf6kwf0mvyp2o6"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List",
"Vendor Advisory"
],
"url": "https://lists.apache.org/thread/lh2kcl4j45q7xj4w6rqf6kwf0mvyp2o6"
}
],
"sourceIdentifier": "security@apache.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-79"
}
],
"source": "security@apache.org",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-79"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"product": "Apache Druid",
"vendor": "Apache Software Foundation",
"versions": [
{
"lessThanOrEqual": "0.22.1",
"status": "affected",
"version": "Apache Druid",
"versionType": "custom"
}
]
}
],
"source": "security@apache.org"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:apache:druid:*:*:*:*:*:*:*:*",
"matchCriteriaId": "43B1C363-3FCD-4039-9E04-2C9F163C55CC",
"versionEndIncluding": "0.22.1",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In Apache Druid 0.22.1 and earlier, certain specially-crafted links result in unescaped URL parameters being sent back in HTML responses. This makes it possible to execute reflected XSS attacks."
},
{
"lang": "es",
"value": "En Apache Druid versiones 0.22.1 y anteriores, algunos enlaces especialmente dise\u00f1ados resultan en el env\u00edo de par\u00e1metros de URL sin esconder en las respuestas HTML. Esto hace posible una ejecuci\u00f3n de ataques de tipo XSS reflejados"
}
],
"id": "CVE-2021-44791",
"lastModified": "2026-06-17T04:12:51.077",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 4.3,
"confidentialityImpact": "NONE",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": true
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.1,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 2.7,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2022-07-07T19:15:07.790",
"references": [
{
"source": "security@apache.org",
"tags": [
"Mailing List",
"Vendor Advisory"
],
"url": "https://lists.apache.org/thread/lh2kcl4j45q7xj4w6rqf6kwf0mvyp2o6"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List",
"Vendor Advisory"
],
"url": "https://lists.apache.org/thread/lh2kcl4j45q7xj4w6rqf6kwf0mvyp2o6"
}
],
"sourceIdentifier": "security@apache.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-79"
}
],
"source": "security@apache.org",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-79"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"current_release_date": "2026-03-27T13:17:39+00:00",
"cve": "CVE-2021-44791",
"id": "CVE-2021-44791",
"initial_release_date": "2021-01-01T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "Reflected XSS on certain HTTP endpoints",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-44791.json",
"version": "3"
}
}
}
Loading…
Loading…
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.
Loading…
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.
Loading…
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.
Loading…