CVE-2025-30410: Acronis Cyber Protect Cloud Agent · Missing Authentication
Affects Acronis Cyber Protect Cloud AgentSource CVE Database V5
Not known to be exploited · CVSS 9.8 Critical : upgrade to 39870 as a priority.
Data as of 25 Oct 2026, 19:02 UTC
- EPSS
- 0.6% chance of exploitation in 30 days – higher than 52% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 39870, 39938, 41800
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 20 Feb 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.
What to do
Upgrade Acronis Cyber Protect to 39870 (Cloud Agent) or 39938 (16) or 41800 (15).
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| AcronisAcronis Cyber Protect Cloud Agent | Affected
| Fixed in
|
| AcronisAcronis Cyber Protect 16 | Affected
| Fixed in
|
| AcronisAcronis Cyber Protect 15 | Affected
| Fixed in
|
AI-suggested
Organizations should immediately inventory their deployments of Acronis Cyber Protect Cloud Agent and related products to identify affected versions. If you cannot patch yet, implement network-level access controls to restrict communication with the vulnerable agents only to trusted management and backup servers. Employ firewall rules, segmentation, and VPNs to limit exposure to untrusted networks. Monitor network traffic for unusual or unauthorized access attempts targeting Acronis agents. Enable logging and alerting on access to backup agents to detect potential exploitation attempts. Review and tighten permissions on backup data and agent configurations to minimize the risk of unauthorized changes. Consider deploying intrusion detection/prevention systems (IDS/IPS) with signatures for this vulnerability once published. Additionally, conduct regular backups of critical data to offline or immutable storage to mitigate the impact of potential data manipulation. Educate IT and security teams about this vulnerability to ensure rapid response and containment if exploitation is suspected.
Description
Sensitive data disclosure and manipulation due to missing authentication. The following products are affected: Acronis Cyber Protect Cloud Agent (Linux, macOS, Windows) before build 39870, Acronis Cyber Protect 16 (Linux, macOS, Windows) before build 39938, Acronis Cyber Protect 15 (Linux, macOS, Windows) before build 41800.