Acronis Agent: Files or Directories Accessible to External Parties
CVE-2022-45450 is a high-severity files or directories accessible to external parties vulnerability in Acronis Agent from Acronis, with a CVSS 3.1 base score of 7.5 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. The record lists version 28610 as the first without the flaw, so updating Acronis Agent to that release or later removes the exposure. There is no confirmed exploitation so far. EPSS estimates a 0.4% chance of exploitation within 30 days, which is low compared with other CVEs.
High severity with no evidence of exploitation so far.
What to do
- Update Acronis Agent to 28610 or a later version.
- Update Acronis Cyber Protect 15 to 30984 or a later version.
- Update Agent to c21.12 or a later version.
- Read the advisory on security-advisory.acronis.com for workarounds and exact fixed builds.
- Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| Acronis | Acronis Agent | before 28610 | 28610 |
| Acronis | Acronis Cyber Protect 15 | before 30984 | 30984 |
| Acronis | Agent | before c21.12 | c21.12 |
| Acronis | Cyber Protect | before 15; 15 | 15 |
Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- NetworkCan be exploited remotely over a network, including the internet.
- Attack complexity
- LowNo special conditions are needed; the attack works reliably.
- Privileges required
- NoneNo account or login is needed.
- User interaction
- NoneNo action by a victim is required.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- HighAll data handled by the component can be read.
- Integrity
- NoneNothing can be modified.
- Availability
- NoneAvailability is not affected.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. Scored by NVD.
| Scoring system | Score | Severity | Scored by |
|---|---|---|---|
| CVSS 3.1 | 7.5 | High | NVD |
| CVSS 3.0 | 5.4 | Medium | CNA (acronis.com) |
Official description
Sensitive information disclosure and manipulation due to improper authorization. The following products are affected: Acronis Agent (Linux, macOS, Windows) before build 28610, Acronis Cyber Protect 15 (Linux, macOS, Windows) before build 30984.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Files or Directories Accessible to External Parties
The product makes files or directories accessible to unauthorized actors, even though they should not be.
How developers prevent this class of flaw
- When storing data in the cloud (e.g., S3 buckets, Azure blobs, Google Cloud Storage, etc.), use the provider's controls to disable public access.
More Files or Directories Accessible to External Parties vulnerabilities (CWE-552)
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: partial).
- Record last changed materially (score, affected products, status or references).
References
Other vulnerabilities in Acronis Agent
- 7.1 High severity
- 7.5 High severity
- 7.8 High severity
- 7.5 High severity
- 7.8 High severity
- 7.5 High severity
Recent Files or Directories Accessible to External Parties vulnerabilities
- 7.5 High severity
- 7.2 High severity
- 7.5 High severity
- 7.5 High severity
- 7.5 High severity
- 8.8 High severity
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