Critical auth bypass affecting widely used Acronis Cyber Protect backups; potential data exposure across Linux/Windows.
CVE-2025-30412
Authentication bypass in Acronis Cyber Protect allows data exposure/manipulation.
Is CVE-2025-30412 being exploited?
Not confirmed. CVE-2025-30412 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. EPSS currently estimates a 0.62% probability of exploitation in the next 30 days.
How severe is CVE-2025-30412?
CVE-2025-30412 is rated Critical with a CVSS score of 10.0. 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-2025-30412?
Yes. A fix has been recorded for CVE-2025-30412. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2025-30412 affect?
CVE-2025-30412 affects Acronis Cyber Protect 16 (Linux/Windows) before build 39938, Acronis Cyber Protect 15 (Linux/Windows) before build 41800. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2025-30412?
Upgrade to fixed builds 39938 (CP16) or 41800 (CP15) immediately.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Auth bypass could let attackers access and alter sensitive backup data on affected systems.
Immediate action required
- affected< 41800
- affected< 39938
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.