CVE-2019-25685
Authenticated users can upload crafted ZIPs to trigger PHP object deserialization and RCE.
Is CVE-2019-25685 being exploited?
Not confirmed. CVE-2019-25685 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked.
How severe is CVE-2019-25685?
CVE-2019-25685 is rated High with a CVSS score of 8.7. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2019-25685?
Yes. A fix has been recorded for CVE-2019-25685. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2019-25685 affect?
CVE-2019-25685 affects phpBB forum software. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2019-25685?
Upgrade to the latest phpBB release; review file upload handling.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
RCE via deserialized PHP objects uploaded in attachments (imagick) by authenticated users.
Patch when possible