syngo Dynamics: Externally Controlled Reference to a Resource in Another Sphere
CVE-2022-42891 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 0.66% chance of exploitation within 30 days, higher than 52% 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
- NoneNo data is disclosed.
- Integrity
- HighData or code can be modified at will.
- Availability
- NoneAvailability is not affected.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/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 write access control that could allow to write data in 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
Spotted an error? Tell us.