Remote Access Server (RAS): Initialization of a Resource with an Insecure Default
CVE-2023-3453 is a high-severity initialization of a resource with an insecure default vulnerability in Remote Access Server (RAS) from ETIC Telecom, 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. Affected Remote Access Server (RAS) versions: 4.7.0 and earlier. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.34% 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
- Check which version of Remote Access Server (RAS) you run against the affected versions below, and install the vendor's latest release.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| ETIC Telecom | Remote Access Server (RAS) | 4.7.0 and earlier | Not stated |
| Etictelecom | Remote Access Server Firmware | 4.7.0 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
- 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 | 7.1 | High | CNA (hq.dhs.gov) |
| CVSS 3.1 | 8.1 | High | NVD |
Official description
ETIC Telecom RAS versions 4.7.0 and prior the web management portal authentication disabled by default. This could allow an attacker with adjacent network access to alter the configuration of the device or cause a denial-of-service condition.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Initialization of a Resource with an Insecure Default
The product initializes or sets a resource with a default that is intended to be changed by the product's installer, administrator, or maintainer, but the default is not secure.
More Initialization of a Resource with an Insecure Default vulnerabilities (CWE-1188)
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: partial).
- Record last changed materially (score, affected products, status or references).
References
Patches and release notes
- cisa.gov/news-events/ics-advisories/icsa-23-208-01Third Party Advisory, US Government Resource
Other vulnerabilities in Remote Access Server (RAS)
- 8.6 High severity
- 7.4 High severity
- 7.5 High severity
- 10.0 Critical severity
- 10.0 Critical severity
Recent Initialization of a Resource with an Insecure Default vulnerabilities
- 7.8 High severity
- 7.5 High severity
- 8.6 High severity
- 9.8 Critical severity
- 8.8 High severity
- 8.8 High severity
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