ffxivlauncher.exe in Square Enix Final Fantasy XIV 4.21 and 4.25 on Windows is affected by Improper Enforcement of Message Integrity During Transmission in a Communication Channel, allowing a man-in-the-middle attacker to steal user credentials because a session retrieves global.
ffxivlauncher.exe in Square Enix Final Fantasy XIV 4.21 and 4.25 on Windows is affected by Improper Enforcement of Message Integrity During Transmission in a Communication Channel, allowing a man-in-the-middle attacker to steal user credentials because a session retrieves global.js via http before proceeding to use https. This is fixed in Patch 4.3.
| Vendor | Product | Versions |
|---|---|---|
| n | a / n/a | n/a |
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.