CVE-2021-35209

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories", "name": "https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories", "tags": ["Vendor Advisory"], "refsource": "MISC"}, {"url": "https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.15/P23", "name": "https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.15/P23", "tags": ["Release Notes", "Vendor Advisory"], "refsource": "MISC"}, {"url": "https://wiki.zimbra.com/wiki/Security_Center", "name": "https://wiki.zimbra.com/wiki/Security_Center", "tags": ["Release Notes", "Vendor Advisory"], "refsource": "MISC"}, {"url": "https://wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P16", "name": "https://wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P16", "tags": ["Release Notes", "Vendor Advisory"], "refsource": "MISC"}, {"url": "https://blog.sonarsource.com/zimbra-webmail-compromise-via-email", "name": "https://blog.sonarsource.com/zimbra-webmail-compromise-via-email", "tags": ["Exploit", "Third Party Advisory"], "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "An issue was discovered in ProxyServlet.java in the /proxy servlet in Zimbra Collaboration Suite 8.8 before 8.8.15 Patch 23 and 9.x before 9.0.0 Patch 16. The value of the X-Host header overwrites the value of the Host header in proxied requests. The value of X-Host header is not checked against the whitelist of hosts Zimbra is allowed to proxy to (the zimbraProxyAllowedDomains setting)."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-918"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-35209", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 7.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "severity": "HIGH", "acInsufInfo": false, "impactScore": 6.4, "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}}, "publishedDate": "2021-07-02T19:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:zimbra:collaboration:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "8.8.15", "versionStartIncluding": "8.8"}, {"cpe23Uri": "cpe:2.3:a:zimbra:collaboration:8.8.15:-:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:zimbra:collaboration:8.8.15:p1:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:zimbra:collaboration:8.8.15:p10:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:zimbra:collaboration:8.8.15:p11:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:zimbra:collaboration:8.8.15:p12:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:zimbra:collaboration:8.8.15:p13:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:zimbra:collaboration:8.8.15:p14:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:zimbra:collaboration:8.8.15:p15:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:zimbra:collaboration:8.8.15:p16:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:zimbra:collaboration:8.8.15:p17:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:zimbra:collaboration:8.8.15:p18:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:zimbra:collaboration:8.8.15:p19:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:zimbra:collaboration:8.8.15:p2:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:zimbra:collaboration:8.8.15:p3:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:zimbra:collaboration:8.8.15:p4:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:zimbra:collaboration:8.8.15:p5:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:zimbra:collaboration:8.8.15:p6:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:zimbra:collaboration:8.8.15:p7:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:zimbra:collaboration:8.8.15:p8:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:zimbra:collaboration:8.8.15:p9:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:zimbra:collaboration:9.0.0:-:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:zimbra:collaboration:9.0.0:p1:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:zimbra:collaboration:9.0.0:p10:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:zimbra:collaboration:9.0.0:p11:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:zimbra:collaboration:9.0.0:p12:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:zimbra:collaboration:9.0.0:p2:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:zimbra:collaboration:9.0.0:p3:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:zimbra:collaboration:9.0.0:p4:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:zimbra:collaboration:9.0.0:p5:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:zimbra:collaboration:9.0.0:p6:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:zimbra:collaboration:9.0.0:p7:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:zimbra:collaboration:9.0.0:p8:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:zimbra:collaboration:9.0.0:p9:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2021-09-20T18:56Z"}