syngo Dynamics: Externally Controlled Reference to a Resource in Another Sphere
CVE-2022-42732 is a high-severity externally controlled reference to a resource in another sphere vulnerability in syngo Dynamics from Siemens, 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. Affected syngo Dynamics versions: All versions < VA40G HF01. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.77% chance of exploitation within 30 days, higher than 56% of scored CVEs.
High severity with no evidence of exploitation so far.
What to do
- Update Syngo Dynamics Cardiovascular Imaging And Information System to va40g_hf01 or a later version.
- Read the advisory on siemens-healthineers.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 |
|---|---|---|---|
| Siemens | syngo Dynamics | All versions < VA40G HF01 | Not stated |
| Siemens | Syngo Dynamics Cardiovascular Imaging And Information System | before va40g_hf01 | va40g_hf01 |
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 3.1 | 7.5 | High | CISA (ADP) |
Official description
A vulnerability has been identified in syngo Dynamics (All versions < VA40G HF01). syngo Dynamics application server hosts a web service using an operation with improper read access control that could allow files to be retrieved from any folder accessible to the account assigned to the website’s application pool.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Externally Controlled Reference to a Resource in Another Sphere
The product uses an externally controlled name or reference that resolves to a resource that is outside of the intended control sphere.
More Externally Controlled Reference to a Resource in Another Sphere vulnerabilities (CWE-610)
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: none, automatable: yes, technical impact: partial).
- Record last changed materially (score, affected products, status or references).
References
Other vulnerabilities in syngo Dynamics
- 7.5 High severity
- 7.5 High severity
- 7.5 High severity
- 7.5 High severity
- 7.5 High severity
Recent Externally Controlled Reference to a Resource in Another Sphere vulnerabilities
- 9.9 Critical severity
- 9.1 Critical severity
- 8.2 High severity
- 8.8 High severity
- 7.8 High severity
- 9.8 Critical severity
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