Metasys ADS/ADX/OAS server: Improper Authentication
CVE-2022-21935 is a high-severity improper authentication vulnerability in Metasys ADS/ADX/OAS server from Johnson Controls, 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 10.1.5, 11.0.2 as the first without the flaw, so updating Metasys ADS/ADX/OAS server to one of those releases or later removes the exposure. There is no confirmed exploitation so far. EPSS estimates a 0.99% chance of exploitation within 30 days, higher than 63% of scored CVEs.
High severity with no evidence of exploitation so far.
What to do
- Update Metasys ADS/ADX/OAS server to 10.1.5 or 11.0.2, whichever matches your release line, or a later version.
- Update Metasys Open Application Server to 10.1.5 or a later version.
- Read the advisory on johnsoncontrols.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 |
|---|---|---|---|
| Johnson Controls | Metasys ADS/ADX/OAS server | All 10 versions up to, but not including, 10.1.5; All 11 versions up to, but not including, 11.0.2 | 10.1.5, 11.0.2 |
| Johnsoncontrols | Metasys Application And Data Server | 10.0 through 10.1.5; 11.0; 11.0.1 | Not stated |
| Johnsoncontrols | Metasys Extended Application And Data Server | 10.0 through 10.1.5; 11.0; 11.0.1 | Not stated |
| Johnsoncontrols | Metasys Open Application Server | 10.0 up to, but not including, 10.1.5; 11.0; 11.0.1 | 10.1.5 |
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 | CNA (jci.com) |
| CVSS 3.1 | 7.5 | High | NVD |
| CVSS 2.0 | 5.0 | Medium | NVD |
Official description
A vulnerability in Metasys ADS/ADX/OAS 10 versions prior to 10.1.5 and Metasys ADS/ADX/OAS 11 versions prior to 11.0.2 allows unverified password change.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Improper Authentication
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
How developers prevent this class of flaw
- Use an authentication framework or library such as the OWASP ESAPI Authentication feature.
Timeline
- CVE record published.
- Record last changed materially (score, affected products, status or references).
References
Third-party and government advisories
- cisa.gov/uscert/ics/advisories/icsa-22-165-01Third Party Advisory, US Government Resource
Other vulnerabilities in Metasys ADS/ADX/OAS server
- 8.8 High severity
Recent Improper Authentication vulnerabilities
- 9.8 Critical severity
- 9.8 Critical severity
- 7.8 High severity
- 8.8 High severity
- 8.6 High severity
- 7.8 High severity
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