CVE-2019-9670 is a vulnerability in Synacor Zimbra Collaboration Suite
Published on May 29, 2019
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.
Known Exploited Vulnerability
This Synacor Zimbra Collaboration Suite Improper Restriction of XML External Entity Reference vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Improper Restriction of XML External Entity Reference vulnerability affecting Synacor Zimbra Collaboration Suite.
The following remediation steps are recommended / required by July 10, 2022: Apply updates per vendor instructions.
Vulnerability Analysis
CVE-2019-9670 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. This vulnerability is known to be actively exploited by threat actors in an automatable fashion. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.
Weakness Type
What is a XXE Vulnerability?
The software processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.
CVE-2019-9670 has been classified to as a XXE vulnerability or weakness.
Products Associated with CVE-2019-9670
Want to know whenever a new CVE is published for Synacor Zimbra Collaboration Suite? stack.watch will email you.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.