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Case File

CVE-2018-12423

HIGH · CVSS 7.5 EPSS 1.82% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2018-06-14 · Last synced 2026-08-04

Field Assessment

AI analysis pending.

Exhibit — Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links
github.com ↗

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2018-12423
Severity
HIGH
CVSS
7.5
EPSS
1.82%

Original Filing — NVD Description

In Synapse before 0.31.2, unauthorised users can hijack rooms when there is no m.room.power_levels event in force.