Full Report
Zimbra has released software updates to address critical security flaws in its Collaboration software that, if successfully exploited, could result in information disclosure under certain conditions. The vulnerability, tracked as CVE-2025-25064, carries a CVSS score of 9.8 out of a maximum of 10.0. It has been described as an SQL injection bug in the ZimbraSync Service SOAP endpoint affecting
Analysis Summary
# Vulnerability: Multiple Critical Flaws in Zimbra Collaboration (SQLi, Stored XSS, SSRF)
## CVE Details
- CVE ID: CVE-2025-25064
- CVSS Score: 9.8 (Critical)
- CWE: CWE-89 (SQL Injection) (for CVE-2025-25064)
## Affected Systems
- Products: Zimbra Collaboration
- Versions:
- For **CVE-2025-25064 (SQLi)**: Versions prior to 10.0.12 and 10.1.4.
- For **SSRF (CVE-2025-25065)**: Versions prior to 9.0.0 Patch 43, 10.0.12, and 10.1.4.
- For **Stored XSS**: Unspecified versions prior to 9.0.0 Patch 44, 10.0.13, and 10.1.5.
- Configurations: Authentication is required for the SQL Injection vulnerability via the ZimbraSync Service SOAP endpoint.
## Vulnerability Description
Zimbra Collaboration is affected by several security flaws requiring updates:
1. **SQL Injection (CVE-2025-25064):** A critical flaw exists in the **ZimbraSync Service SOAP endpoint**. Due to insufficient sanitization of a user-supplied parameter, authenticated attackers can inject arbitrary SQL queries, leading to the retrieval of email metadata.
2. **Stored Cross-Site Scripting (XSS):** A critical stored XSS vulnerability was found in the **Zimbra Classic Web Client**. The description implies successful exploitation allows arbitrary script execution in user sessions upon interaction with the compromised input.
3. **Server-Side Request Forgery (SSRF) (CVE-2025-25065):** A medium-severity flaw in the **RSS feed parser component** allows attackers to induce the web server to make unauthorized requests to internal network endpoints.
## Exploitation
- Status: Not explicitly stated if exploited in the wild, but high severity suggests active threat.
- Complexity: Medium (SQLi requires authentication; SSRF may require specific component interaction).
- Attack Vector: Network (for SQLi and SSRF impacting remote services).
## Impact
| Vulnerability | Confidentiality | Integrity | Availability |
| :--- | :--- | :--- | :--- |
| **SQL Injection (CVE-2025-25064)** | High (Email metadata disclosure) | High (Potential data modification/deletion) | Low/Medium |
| **Stored XSS** | High (Session hijacking, credential theft) | High (Defacement, unauthorized actions) | Low |
| **SSRF (CVE-2025-25065)** | Medium (Internal network scanning/access) | Medium (Potential internal access abuse) | Low |
## Remediation
### Patches
Customers are advised to update to the following versions, which include fixes for all reported issues:
* **For SQLi (CVE-2025-25064):** Update to versions 10.0.12 or 10.1.4 (or newer).
* **For Stored XSS:** Update to versions 9.0.0 Patch 44, 10.0.13, or 10.1.5 (or newer).
* **For SSRF (CVE-2025-25065):** Update to versions 9.0.0 Patch 43, 10.0.12, or 10.1.4 (or newer).
* *The summary strongly recommends upgrading to the latest available versions that incorporate all these fixes.*
### Workarounds
No specific workarounds are detailed in the summary, indicating immediate patching is the primary advice.
## Detection
- **Indicators of Compromise (IoCs):** Look for unusual SQL query patterns targeting the ZimbraSync Service SOAP endpoint, specifically input manipulation intended to bypass sanitization. For SSRF, monitor server logs for unexpected outgoing connections initiated by the RSS parser to internal IP addresses.
- **Detection Methods and Tools:** Web Application Firewalls (WAFs) configured to detect classic SQL injection payloads in SOAP request parameters may provide temporary filtering for CVE-2025-25064.
## References
- Vendor Advisory: https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
- CVE-2025-25064: https://nvd.nist.gov/vuln/detail/CVE-2025-25064
- CVE-2025-25065: https://nvd.nist.gov/vuln/detail/CVE-2025-25065