CVE-2026-33369 Details
Description
Zimbra Collaboration (ZCS) 10.0 and 10.1 contains an LDAP injection vulnerability in the Mailbox SOAP service within a FolderAction operation. The application fails to properly sanitize user-supplied input before incorporating it into an LDAP search filter. An authenticated attacker can exploit this issue by sending a crafted SOAP request that manipulates the LDAP query, allowing retrieval of sensitive directory attributes.
An LDAP injection vulnerability has been identified in the Mailbox SOAP service of Zimbra Collaboration (ZCS) versions 10.0 and 10.1. This vulnerability occurs within the FolderAction operation, where the application fails to properly sanitize user-supplied input before it is incorporated into an LDAP search filter. As a result, an authenticated attacker can exploit this issue by sending a crafted SOAP request that manipulates the LDAP query, potentially leading to the retrieval of sensitive directory attributes.
Users can upgrade to ZCS versions 10.1.13 or 10.0.18, both of which include the necessary security fix. Instructions for upgrading can be found on the Zimbra Releases page.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Mar 23, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://wiki.zimbra.com/wiki/Security_Center | [email protected] | Release NotesVendor Advisory |
| https://wiki.zimbra.com/wiki/Zimbra_Releases/10.1.16#Security_Fixes | [email protected] | Release Notes |
| https://wiki.zimbra.com/wiki/Zimbra_Responsible_Disclosure_Policy | [email protected] | Product |
| https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-20 | Improper Input Validation | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| synacor zimbra collaboration suite | >= 10.0.0, < 10.1.16 |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Apr 1, 2026 | Initial Analysis | [email protected] |
| Mar 23, 2026 | CVE Modified | CISA-ADP |
| Mar 20, 2026 | New CVE Received | [email protected] |