critical9.8Known exploitedPublic exploit code
CVE-2019-9670
Synacor Zimbra Collaboration Suite (ZCS) Improper Restriction of XML External Entity Reference
Exploited in the wild
This vulnerability is on a Known Exploited Vulnerabilities catalogue, added 2022-01-10. Federal due date: 2022-07-10.
Apply updates per vendor instructions.
Public exploit code
Working exploit or proof of concept code has been published for this vulnerability. Treat unpatched systems as at risk.
- Zimbra Collaboration - Autodiscover Servlet XXE and ProxyServlet SSRF (Metasploit)2019-04-12 · remote · linux · Verified
Impact
mailboxd component in Synacor Zimbra Collaboration Suite 8.7.x before 8.7.11p10 has an XML External Entity injection (XXE) vulnerability, as demonstrated by Autodiscover/Autodiscover.xml.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Synacor | Zimbra Collaboration Suite | from 8.7.0 before 8.7.11 Version 8.7.11 |
Weakness classification
References
- NVD record
- CVE.org record
- CISA KEV catalog
- http://packetstormsecurity.com/files/152487/Zimbra-Collaboration-Autodiscover-Servlet-XXE-ProxyServlet-SSRF.html
- http://www.rapid7.com/db/modules/exploit/linux/http/zimbra_xxe_rce
- https://bugzilla.zimbra.com/show_bug.cgi?id=109129
- https://isc.sans.edu/forums/diary/CVE20199670+Zimbra+Collaboration+Suite+XXE+vulnerability/27570/
- https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
- https://www.exploit-db.com/exploits/46693/
- http://packetstormsecurity.com/files/152487/Zimbra-Collaboration-Autodiscover-Servlet-XXE-ProxyServlet-SSRF.html
- http://www.rapid7.com/db/modules/exploit/linux/http/zimbra_xxe_rce
- https://bugzilla.zimbra.com/show_bug.cgi?id=109129
- https://isc.sans.edu/forums/diary/CVE20199670+Zimbra+Collaboration+Suite+XXE+vulnerability/27570/
- https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
- https://www.exploit-db.com/exploits/46693/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-9670