CVE-2019-9670 is a critical XML External Entity (XXE) injection vulnerability affecting the mailboxd component of Synacor Zimbra Collaboration Suite versions 8.7.x before 8.7.11p10, specifically exploitable via Autodiscover/Autodiscover.xml. This vulnerability carries a CVSS score of 9.8 (Critical) due to its network-based attack vector, low complexity, and complete compromise of confidentiality, integrity, and availability. It is actively exploited in the wild, with public exploit code available in Metasploit and Nuclei templates, and has garnered significant community discussion and media coverage, including mentions by the NSA and CISA regarding its exploitation by state-sponsored actors.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 8.7.0, < 8.7.11CPE matchmatch criteria | cpe:2.3:a:synacor:zimbra_collaboration_suite:*:*:*:*:*:*:*:* | ||
8.7.11CPE matchmatch criteria | cpe:2.3:a:synacor:zimbra_collaboration_suite:8.7.11:-:*:*:*:*:*:* | ||
8.7.11CPE matchmatch criteria | cpe:2.3:a:synacor:zimbra_collaboration_suite:8.7.11:p1:*:*:*:*:*:* | ||
8.7.11CPE matchmatch criteria | cpe:2.3:a:synacor:zimbra_collaboration_suite:8.7.11:p2:*:*:*:*:*:* | ||
8.7.11CPE matchmatch criteria | cpe:2.3:a:synacor:zimbra_collaboration_suite:8.7.11:p3:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.