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CVE-2025-30410VulnerabilityPublished Updated

CVE-2025-30410: Acronis Cyber Protect Cloud Agent · Missing Authentication

Affects Acronis Cyber Protect Cloud AgentSource CVE Database V5

0

Not known to be exploited · CVSS 9.8 Critical : upgrade to 39870 as a priority.

Data as of 25 Oct 2026, 19:02 UTC

CVSS 3.0 base score
9.8Critical
How severe the flaw is on the 0–10 CVSS scale.
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:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 20 Feb 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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

ProductAffectedFixed in
AcronisAcronis Cyber Protect Cloud AgentAffected
  • ≥ unspecified, < 39870
Fixed in
  • 39870
AcronisAcronis Cyber Protect 16Affected
  • ≥ unspecified, < 39938
Fixed in
  • 39938
AcronisAcronis Cyber Protect 15Affected
  • ≥ unspecified, < 41800
Fixed in
  • 41800

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.

References

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