CVE-2018-1000836 is a critical XML External Entity (XXE) vulnerability affecting apereo bw-calendar-engine versions up to 3.12.0. This flaw, residing in the IscheduleClient XML Parser, allows for disclosure of confidential data, denial of service, Server-Side Request Forgery (SSRF), and port scanning. With a CVSS score of 9.0 (CRITICAL), the vulnerability is remotely exploitable with high impact on confidentiality, integrity, and availability, though it requires a Man-in-the-Middle attack or malicious server. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 3.12.0CPE matchmatch criteria | cpe:2.3:a:apereo:bw-calendar-engine:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.4 Reddit, 1.2 Bluesky, 0.9 Mastodon, and 2.3 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.8 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.