CVE-2026-33369
LDAP Injection in Zimbra Mailbox SOAP Allows Sensitive Data Access
Publication date: 2026-03-20
Last updated on: 2026-04-01
Assigner: MITRE
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| synacor | zimbra_collaboration_suite | From 10.0.0 (inc) to 10.1.16 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-20 | The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is an LDAP injection issue found in Zimbra Collaboration (ZCS) versions 10.0 and 10.1. It occurs in the Mailbox SOAP service within a FolderAction operation. The application does not properly sanitize user input before using it in an LDAP search filter. As a result, an authenticated attacker can send a specially crafted SOAP request that manipulates the LDAP query.
This manipulation allows the attacker to retrieve sensitive directory attributes that they should not normally have access to.
How can this vulnerability impact me? :
Exploiting this vulnerability can allow an authenticated attacker to access sensitive directory information by manipulating LDAP queries. This could lead to unauthorized disclosure of sensitive data stored in the directory, potentially compromising user information and internal system details.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
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