EcoStruxure™ Cybersecurity Admin Expert (CAE): Authentication Bypass by Spoofing
CVE-2022-32747 is a high-severity authentication bypass by spoofing vulnerability in EcoStruxure™ Cybersecurity Admin Expert (CAE) from Schneider Electric, with a CVSS 3.1 base score of 8.1 out of 10. It can be exploited from the same local network by an unauthenticated attacker, without any action from a user. The record lists version 2.2 as the first without the flaw, so updating EcoStruxure™ Cybersecurity Admin Expert (CAE) to that release or later removes the exposure. There is no confirmed exploitation so far. EPSS estimates a 0.32% 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 EcoStruxure™ Cybersecurity Admin Expert (CAE) to 2.2 or a later version.
- Update Ecostruxure Cybersecurity Admin Expert to 2.4 or a later version.
- Read the advisory on download.schneider-electric.com for workarounds and exact fixed builds.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| Schneider Electric | EcoStruxure™ Cybersecurity Admin Expert (CAE) | All up to, but not including, 2.2 | 2.2 |
| Schneider Electric | Ecostruxure Cybersecurity Admin Expert | before 2.4 | 2.4 |
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
- AdjacentThe attacker must be on the same local network segment.
- 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
- HighThe component can be taken down completely.
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H. Scored by NVD.
| Scoring system | Score | Severity | Scored by |
|---|---|---|---|
| CVSS 3.1 | 8.0 | High | CNA (se.com) |
| CVSS 3.1 | 8.1 | High | NVD |
Official description
A CWE-290: Authentication Bypass by Spoofing vulnerability exists that could cause legitimate users to be locked out of devices or facilitate backdoor account creation by spoofing a device on the local network. Affected Products: EcoStruxure™ Cybersecurity Admin Expert (CAE) (Versions prior to 2.2)
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Authentication Bypass by Spoofing
This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks.
More Authentication Bypass by Spoofing vulnerabilities (CWE-290)
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: total).
- Record last changed materially (score, affected products, status or references).
References
Other vulnerabilities in EcoStruxure™ Cybersecurity Admin Expert (CAE)
- 8.3 High severity
Recent Authentication Bypass by Spoofing vulnerabilities
- 7.5 High severity
- 7.5 High severity
- 9.8 Critical severity
- 8.0 High severity
- 8.5 High severity
- 8.1 High severity
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