Acronis Agent: Exposure of Resource to Wrong Sphere
CVE-2023-41742 is a high-severity exposure of resource to wrong sphere 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 30430 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 0.5% 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 30430 or a later version.
- Update Acronis Cyber Protect 15 to 35979 or a later version.
- Update Agent to c22.09 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 30430 | 30430 |
| Acronis | Acronis Cyber Protect 15 | before 35979 | 35979 |
| Acronis | Agent | before c22.09 | c22.09 |
| Acronis | Cyber Protect | 15 | Not stated |
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 | 4.3 | Medium | CNA (acronis.com) |
Official description
Excessive attack surface due to binding to an unrestricted IP address. The following products are affected: Acronis Agent (Linux, macOS, Windows) before build 30430, Acronis Cyber Protect 15 (Linux, macOS, Windows) before build 35979.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Exposure of Resource to Wrong Sphere
The product exposes a resource to the wrong control sphere, providing unintended actors with inappropriate access to the resource.
More Exposure of Resource to Wrong Sphere vulnerabilities (CWE-668)
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
Advisories
- security-advisory.acronis.com/advisories/SEC-4351Release Notes
Other vulnerabilities in Acronis Agent
- 7.1 High severity
- 7.5 High severity
- 7.8 High severity
- 7.8 High severity
- 7.5 High severity
- 7.5 High severity
Recent Exposure of Resource to Wrong Sphere vulnerabilities
- 7.5 High severity
- 8.1 High severity
- 7.5 High severity
- 7.3 High severity
- 7.5 High severity
- 7.8 High severity
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