AE1021: Weak Authentication
CVE-2024-47397 is a high-severity weak authentication vulnerability in AE1021 from FXC, 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. Affected AE1021 versions: firmware versions 2.0.10 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 0.41% 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 AE1021 you run against the affected versions below, and install the vendor's latest release.
- 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 |
|---|---|---|---|
| FXC | AE1021 | firmware versions 2.0.10 and earlier | Not stated |
| FXC | AE1021PE | firmware versions 2.0.10 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
- 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 CNA (jpcert.or.jp).
Official description
Weak authentication issue exists in AE1021 firmware versions 2.0.10 and earlier and AE1021PE firmware versions 2.0.10 and earlier. If this vulnerability is exploited, the authentication may be bypassed with an undocumented specific string.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Weak Authentication
The product uses an authentication mechanism to restrict access to specific users or identities, but the mechanism does not sufficiently prove that the claimed identity is correct.
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: none, automatable: yes, technical impact: partial).
- Record last changed materially (score, affected products, status or references).
References
Other references
Other vulnerabilities in AE1021
- 7.2 High severity
- 7.2 High severity
- 8.8 High severity
Recent Weak Authentication vulnerabilities
- 9.1 Critical severity
- 8.8 High severity
- 9.1 Critical severity
- 9.1 Critical severity
- 8.8 High severity
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