CloudVision Portal: Improper Authentication
CVE-2024-11186 is a critical-severity improper authentication vulnerability in CloudVision Portal from Arista Networks, with a CVSS 3.1 base score of 10.0 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. Affected CloudVision Portal versions: 2024.3.0; 2024.2.0 through 2024.2.1; 2024.1.0 through 2024.1.2, and others listed below. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.8% chance of exploitation within 30 days, higher than 57% of scored CVEs.
Critical severity: a successful attack would have severe impact.
What to do
- Check which version of CloudVision Portal you run against the affected versions below, and install the vendor's latest release.
- Read the advisory on arista.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 |
|---|---|---|---|
| Arista Networks | CloudVision Portal | 2024.3.0; 2024.2.0 through 2024.2.1; 2024.1.0 through 2024.1.2; 2023.3; 2023.2; 2023.1; 2022.3; 2022.2; and 11 more ranges | 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
- ChangedThe attack can reach beyond the vulnerable component into other systems.
- Confidentiality
- HighAll data handled by the component can be read.
- Integrity
- HighData or code can be modified at will.
- Availability
- HighThe component can be taken down completely.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H. Scored by CNA (arista.com).
Official description
On affected versions of the CloudVision Portal, improper access controls could enable a malicious authenticated user to take broader actions on managed EOS devices than intended. This advisory impacts the Arista CloudVision Portal products when run on-premise. It does not impact CloudVision as-a-Service.
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.
- CISA published its SSVC assessment (exploitation: none, automatable: yes, technical impact: total).
- Record last changed materially (score, affected products, status or references).
References
Other vulnerabilities in CloudVision Portal
- 8.4 High severity
- 9.1 Critical severity
- 7.2 High severity
- 8.0 High severity
- 8.0 High severity
- 10.0 Critical severity
Recent Improper Authentication vulnerabilities
- 8.6 High severity
- 9.3 Critical severity
- 8.8 High severity
- 7.8 High severity
- 9.8 Critical severity
- 8.6 High severity
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