SINEMA Remote Connect Server: Obsolete Feature in UI
CVE-2022-32258 is a high-severity obsolete feature in UI vulnerability in SINEMA Remote Connect Server 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. The record lists versions V3.1, 3.1 as the first without the flaw, so updating SINEMA Remote Connect Server to one of those releases or later removes the exposure. There is no confirmed exploitation so far. EPSS estimates a 0.91% chance of exploitation within 30 days, higher than 60% of scored CVEs.
High severity with no evidence of exploitation so far.
What to do
- Update SINEMA Remote Connect Server to V3.1 or 3.1, whichever matches your release line, or a later version.
- Read the advisory on cert-portal.siemens.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 | SINEMA Remote Connect Server | before V3.1; before 3.1 | V3.1, 3.1 |
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 | 5.3 | Medium | CNA (siemens.com) |
| CVSS 3.1 | 7.5 | High | NVD |
| CVSS 2.0 | 5.0 | Medium | NVD |
Official description
A vulnerability has been identified in SINEMA Remote Connect Server (All versions < V3.1). The affected application contains an older feature that allows to import device configurations via a specific endpoint. An attacker could use this vulnerability for information disclosure.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Obsolete Feature in UI
A UI function is obsolete and the product does not warn the user.
How developers prevent this class of flaw
- Remove the obsolete feature from the UI. Warn the user that the feature is no longer supported.
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 references
Other vulnerabilities in SINEMA Remote Connect Server
- 7.5 High severity
- 7.5 High severity
- 9.9 Critical severity
- 7.8 High severity
- 7.3 High severity
- 7.3 High severity
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