CVE-2021-35209
- Source
- https://cve.org/CVERecord?id=CVE-2021-35209
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-35209.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2021-35209
- Published
- 2021-07-02T19:15:08.460Z
- Modified
- 2026-04-10T04:35:02.395607Z
- Severity
-
- 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- [none]
- Details
-
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).
- References
Affected packages
Git / github.com/zimbra/zm-build
Affected ranges
- Type
- GIT
- Repo
- https://github.com/zimbra/zm-build
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedFixedIntroduced0 Unknown introduced commit / All previous commits are affectedLast affectedIntroduced0 Unknown introduced commit / All previous commits are affectedLast affectedIntroduced0 Unknown introduced commit / All previous commits are affectedLast affectedIntroduced0 Unknown introduced commit / All previous commits are affectedLast affectedIntroduced0 Unknown introduced commit / All previous commits are affectedLast affectedIntroduced0 Unknown introduced commit / All previous commits are affectedLast affectedIntroduced0 Unknown introduced commit / All previous commits are affectedLast affectedIntroduced0 Unknown introduced commit / All previous commits are affectedLast affectedIntroduced0 Unknown introduced commit / All previous commits are affectedLast affected
- Database specific
{ "versions": [ { "introduced": "8.8" }, { "fixed": "8.8.15" }, { "introduced": "0" }, { "last_affected": "8.8.15-NA" }, { "introduced": "0" }, { "last_affected": "8.8.15-p1" }, { "introduced": "0" }, { "last_affected": "8.8.15-p11" }, { "introduced": "0" }, { "last_affected": "8.8.15-p3" }, { "introduced": "0" }, { "last_affected": "8.8.15-p5" }, { "introduced": "0" }, { "last_affected": "9.0.0-NA" }, { "introduced": "0" }, { "last_affected": "9.0.0-p1" }, { "introduced": "0" }, { "last_affected": "9.0.0-p4" }, { "introduced": "0" }, { "last_affected": "9.0.0-p7" } ] }
Affected versions
8.*
8.7.10
8.7.11
8.7.6
8.7.7
8.7.9
8.8.0.beta1
8.8.10
8.8.12
8.8.15
8.8.15.p11
8.8.15.p3
8.8.15.p5
8.8.2
8.8.3
8.8.4
8.8.6
8.8.7
8.8.8
8.8.9
8.8.9.p1
8.8.9.p3
9.*
9.0.0
9.0.0.p19
9.0.0.p4
9.0.0.p7
9.0.0.p7.1
Database specific
source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-35209.json"
unresolved_ranges
[
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.8.15-p10"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.8.15-p12"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.8.15-p13"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.8.15-p14"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.8.15-p15"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.8.15-p16"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.8.15-p17"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.8.15-p18"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.8.15-p19"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.8.15-p2"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.8.15-p4"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.8.15-p6"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.8.15-p7"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.8.15-p8"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.8.15-p9"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.0.0-p10"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.0.0-p11"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.0.0-p12"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.0.0-p2"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.0.0-p3"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.0.0-p5"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.0.0-p6"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.0.0-p8"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.0.0-p9"
}
]
}
]