Wiser Smart: Incorrect Resource Transfer Between Spheres
CVE-2022-30236 is a high-severity incorrect resource transfer between spheres vulnerability in Wiser Smart from Schneider Electric, with a CVSS 3.1 base score of 8.2 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 4.5 as the first without the flaw, so updating Wiser Smart to that release or later removes the exposure. There is no confirmed exploitation so far. EPSS estimates a 0.8% chance of exploitation within 30 days, higher than 57% of scored CVEs.
High severity with no evidence of exploitation so far.
What to do
- Update Wiser Smart to 4.5 or a later version.
- Read the advisory on se.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 |
|---|---|---|---|
| Schneider Electric | Wiser Smart | EER21000 up to, but not including, 4.5; EER21001 up to, but not including, 4.5 | 4.5 |
| Schneider Electric | Wiser Smart Eer21000 Firmware | 4.5 and earlier | Not stated |
| Schneider Electric | Wiser Smart Eer21001 Firmware | 4.5 and earlier | 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
- LowLimited modification of data is possible.
- Availability
- NoneAvailability is not affected.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N. Scored by NVD.
| Scoring system | Score | Severity | Scored by |
|---|---|---|---|
| CVSS 3.1 | 8.2 | High | CNA (se.com) |
| CVSS 3.1 | 8.2 | High | NVD |
| CVSS 2.0 | 6.4 | Medium | NVD |
Official description
A CWE-669: Incorrect Resource Transfer Between Spheres vulnerability exists that could allow unauthorized access when an attacker uses cross-domain attacks. Affected Products: Wiser Smart, EER21000 & EER21001 (V4.5 and prior)
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Incorrect Resource Transfer Between Spheres
The product does not properly transfer a resource/behavior to another sphere, or improperly imports a resource/behavior from another sphere, in a manner that provides unintended control over that resource.
More Incorrect Resource Transfer Between Spheres vulnerabilities (CWE-669)
Timeline
- CVE record published.
- Record last changed materially (score, affected products, status or references).
References
Advisories
Other vulnerabilities in Wiser Smart
- 8.8 High severity
- 7.5 High severity
- 9.8 Critical severity
- 9.8 Critical severity
Recent Incorrect Resource Transfer Between Spheres vulnerabilities
- 9.6 Critical severity
- 7.2 High severity
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