Description
An issue was discovered in Mattermost Server before 3.6.2. The WebSocket feature does not follow the Same Origin Policy.
Affected Software
{"id": "CVE-2017-18920", "vendorId": null, "type": "cve", "bulletinFamily": "NVD", "title": "CVE-2017-18920", "description": "An issue was discovered in Mattermost Server before 3.6.2. The WebSocket feature does not follow the Same Origin Policy.", "published": "2020-06-19T20:15:00", "modified": "2020-06-23T22:22:00", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}, "cvss2": {"cvssV2": {"version": "2.0", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "baseScore": 7.5}, "severity": "HIGH", "exploitabilityScore": 10.0, "impactScore": 6.4, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "cvss3": {"cvssV3": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL"}, "exploitabilityScore": 3.9, "impactScore": 5.9}, "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2017-18920", "reporter": "cve@mitre.org", "references": ["https://mattermost.com/security-updates/"], "cvelist": ["CVE-2017-18920"], "immutableFields": [], "lastseen": "2023-02-08T16:01:12", "viewCount": 10, "enchantments": {"dependencies": {}, "score": {"value": 2.4, "vector": "NONE"}, "backreferences": {}, "exploitation": null, "affected_software": {"major_version": [{"name": "mattermost mattermost server", "version": 3}]}, "epss": [{"cve": "CVE-2017-18920", "epss": "0.002220000", "percentile": "0.586920000", "modified": "2023-03-15"}], "vulnersScore": 2.4}, "_state": {"dependencies": 1675872124, "score": 1675872124, "affected_software_major_version": 1677290485, "epss": 1678948511}, "_internal": {"score_hash": "49736f5d9516d7b393d75306f07bfade"}, "cna_cvss": {"cna": null, "cvss": {}}, "cpe": [], "cpe23": [], "cwe": ["NVD-CWE-Other"], "affectedSoftware": [{"cpeName": "mattermost:mattermost_server", "version": "3.6.2", "operator": "lt", "name": "mattermost mattermost server"}], "affectedConfiguration": [], "cpeConfiguration": {"CVE_data_version": "4.0", "nodes": [{"operator": "OR", "children": [], "cpe_match": [{"vulnerable": true, "cpe23Uri": "cpe:2.3:a:mattermost:mattermost_server:3.6.2:*:*:*:*:*:*:*", "versionEndExcluding": "3.6.2", "cpe_name": []}]}]}, "extraReferences": [{"url": "https://mattermost.com/security-updates/", "name": "https://mattermost.com/security-updates/", "refsource": "CONFIRM", "tags": ["Vendor Advisory"]}], "product_info": [{"vendor": "Mattermost", "product": "Mattermost_server"}]}
{}