CVE-2018-1000831 is a critical XML External Entity (XXE) vulnerability affecting K9Mail versions up to v5.600. This flaw in the WebDAV response parser allows for severe impacts including confidential data disclosure, denial of service, Server-Side Request Forgery (SSRF), and port scanning. With a CVSS score of 10.0 (CRITICAL), it is easily exploitable over the network without user interaction, requiring only a malicious or intercepted WebDAV server. While there is no known active exploitation or public exploit code, the vulnerability has garnered significant community discussion, indicating awareness among security researchers.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 5.600CPE matchmatch criteria | cpe:2.3:a:k9mail:k-9_mail:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/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.
No media coverage found for this CVE.
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.