CVE-2021-4020 - Vulnerability Details - OpenCVE

janus-gateway is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction Required

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Access Vector Network

Access Complexity Medium

Authentication Single

Confidentiality Impact None

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Meetecho	Janus

Configuration 1 [-]

cpe:2.3:a:meetecho:janus:*:*:*:*:*:*:*:*

No data.

References

Link	Providers
https://github.com/meetecho/janus-gateway/commit/d3fc00ec803d6c41d8f98908732f44e7f4911a1c
https://huntr.dev/bounties/9814baa8-7bdd-4e31-a132-d9d15653409e

History

No history.

MITRE

Status: PUBLISHED

Assigner: @huntrdev

Published: 2021-11-27T09:15:11

Updated: 2024-08-03T17:16:02.962Z

Reserved: 2021-11-25T00:00:00

Link: CVE-2021-4020

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-11-27T10:15:07.453

Modified: 2024-11-21T06:36:44.317

Link: CVE-2021-4020

Redhat

No data.

{"containers": {"cna": {"affected": [{"product": "meetecho/janus-gateway", "vendor": "meetecho", "versions": [{"lessThan": "0.11.6", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "janus-gateway is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"}], "metrics": [{"cvssV3_0": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-79", "description": "CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-11-27T09:15:11", "orgId": "c09c270a-b464-47c1-9133-acb35b22c19a", "shortName": "@huntrdev"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://huntr.dev/bounties/9814baa8-7bdd-4e31-a132-d9d15653409e"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/meetecho/janus-gateway/commit/d3fc00ec803d6c41d8f98908732f44e7f4911a1c"}], "source": {"advisory": "9814baa8-7bdd-4e31-a132-d9d15653409e", "discovery": "EXTERNAL"}, "title": "Cross-site Scripting (XSS) - Stored in meetecho/janus-gateway", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security@huntr.dev", "ID": "CVE-2021-4020", "STATE": "PUBLIC", "TITLE": "Cross-site Scripting (XSS) - Stored in meetecho/janus-gateway"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "meetecho/janus-gateway", "version": {"version_data": [{"version_affected": "<", "version_value": "0.11.6"}]}}]}, "vendor_name": "meetecho"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "janus-gateway is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"}]}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"}]}]}, "references": {"reference_data": [{"name": "https://huntr.dev/bounties/9814baa8-7bdd-4e31-a132-d9d15653409e", "refsource": "CONFIRM", "url": "https://huntr.dev/bounties/9814baa8-7bdd-4e31-a132-d9d15653409e"}, {"name": "https://github.com/meetecho/janus-gateway/commit/d3fc00ec803d6c41d8f98908732f44e7f4911a1c", "refsource": "MISC", "url": "https://github.com/meetecho/janus-gateway/commit/d3fc00ec803d6c41d8f98908732f44e7f4911a1c"}]}, "source": {"advisory": "9814baa8-7bdd-4e31-a132-d9d15653409e", "discovery": "EXTERNAL"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T17:16:02.962Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://huntr.dev/bounties/9814baa8-7bdd-4e31-a132-d9d15653409e"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/meetecho/janus-gateway/commit/d3fc00ec803d6c41d8f98908732f44e7f4911a1c"}]}]}, "cveMetadata": {"assignerOrgId": "c09c270a-b464-47c1-9133-acb35b22c19a", "assignerShortName": "@huntrdev", "cveId": "CVE-2021-4020", "datePublished": "2021-11-27T09:15:11", "dateReserved": "2021-11-25T00:00:00", "dateUpdated": "2024-08-03T17:16:02.962Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:meetecho:janus:*:*:*:*:*:*:*:*", "matchCriteriaId": "32BBE90D-BBAD-4236-B171-61DA9ABAB882", "versionEndIncluding": "0.11.5", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "janus-gateway is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"}, {"lang": "es", "value": "janus-gateway es vulnerable a una Neutralizaci\u00f3n Inapropiada de Entradas Durante la Generaci\u00f3n de P\u00e1ginas Web (\"Cross-site Scripting\")"}], "id": "CVE-2021-4020", "lastModified": "2024-11-21T06:36:44.317", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "NONE", "baseScore": 3.5, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 6.8, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "security@huntr.dev", "type": "Secondary"}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 2.7, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-11-27T10:15:07.453", "references": [{"source": "security@huntr.dev", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/meetecho/janus-gateway/commit/d3fc00ec803d6c41d8f98908732f44e7f4911a1c"}, {"source": "security@huntr.dev", "tags": ["Exploit", "Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://huntr.dev/bounties/9814baa8-7bdd-4e31-a132-d9d15653409e"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/meetecho/janus-gateway/commit/d3fc00ec803d6c41d8f98908732f44e7f4911a1c"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://huntr.dev/bounties/9814baa8-7bdd-4e31-a132-d9d15653409e"}], "sourceIdentifier": "security@huntr.dev", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security@huntr.dev", "type": "Secondary"}]}