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CVE-2025-48960VulnerabilityPublished

CVE-2025-48960: Acronis Cyber Protect 16 · CWE-326

Affects Acronis Cyber Protect 16Source CVE Database V5

0

Not known to be exploited · CVSS 5.9 Medium : upgrade to 39938 when convenient.

Data as of 26 Oct 2026, 06:26 UTC

CVSS 3.0 base score
5.9Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.07% chance of exploitation in 30 days – higher than 0% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 39938
CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 4 Jun 2025

  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 2026-10-26.

What to do

Upgrade Acronis Cyber Protect 16 to 39938.

Affected software

ProductAffectedFixed in
Acronis Acronis Cyber Protect 16Affected
  • <39938
Fixed in
  • 39938

AI-suggested

Organizations should prioritize upgrading Acronis Cyber Protect 16 to build 39938 or later once the vendor releases a patch addressing this vulnerability. If you cannot patch yet, network segmentation should be enforced to limit access to the Acronis management interfaces and backup servers to trusted hosts only, reducing the risk of adjacent network attackers. Employing strict access controls, including network-level authentication and firewall rules, can help prevent unauthorized lateral movement. Monitoring network traffic for unusual TLS handshake anomalies or unexpected certificate/key usage may provide early detection of exploitation attempts. Additionally, organizations should review and strengthen their cryptographic policies and configurations, ensuring that only strong, industry-standard cryptographic algorithms and key lengths are used across all systems. Conducting regular vulnerability assessments and penetration tests focusing on backup infrastructure can help identify weaknesses. Finally, maintaining comprehensive incident response plans that include backup integrity verification procedures will aid in rapid detection and recovery if exploitation occurs.

Description

Weak server key used for TLS encryption. The following products are affected: Acronis Cyber Protect 16 (Linux, macOS, Windows) before build 39938.

References

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