Overview
- Description
- An issue was discovered in ProxyServlet.java in the /proxy servlet in Zimbra Collaboration Suite (ZCS) 8.8.15 and 9.0. The value of the X-Forwarded-Host header overwrites the value of the Host header in proxied requests. The value of X-Forwarded-Host header is not checked against the whitelist of hosts that ZCS is allowed to proxy to (the zimbraProxyAllowedDomains setting).
- Source
- cve@mitre.org
- NVD status
- Analyzed
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 7.5
- Impact score
- 3.6
- Exploitability score
- 3.9
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- Severity
- HIGH
Weaknesses
- nvd@nist.gov
- CWE-918
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:zimbra:collaboration:8.8.15:-:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "1B17C1A7-0F0A-4E7C-8C0C-0BBB0BF66C82"
},
{
"criteria": "cpe:2.3:a:zimbra:collaboration:9.0.0:-:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "685D9652-2934-4C13-8B36-40582C79BFC1"
}
],
"operator": "OR"
}
]
}
]