MESbook: Incorrect Provision of Specified Functionality
CVE-2024-6425 is a critical-severity incorrect provision of specified functionality vulnerability in MESbook, with a CVSS 3.1 base score of 9.1 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. Affected MESbook versions: 20221021.03. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.54% chance of exploitation within 30 days, which is low compared with other CVEs.
Critical severity: a successful attack would have severe impact.
What to do
- Check which version of MESbook 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
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
- HighAll data handled by the component can be read.
- 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:H/I:H/A:N. Scored by CNA (incibe.es).
Official description
Incorrect Provision of Specified Functionality vulnerability in MESbook 20221021.03 version. An unauthenticated remote attacker can register user accounts without being authenticated from the route "/account/Register/" and in the parameters "UserName=<RANDOMUSER>&Password=<PASSWORD>&ConfirmPassword=<PASSWORD-REPEAT>".
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Incorrect Provision of Specified Functionality
The code does not function according to its published specifications, potentially leading to incorrect usage.
How developers prevent this class of flaw
- Ensure that your code strictly conforms to specifications.
More Incorrect Provision of Specified Functionality vulnerabilities (CWE-684)
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
Third-party and government advisories
- incibe.es/en/incibe-cert/notices/aviso-sci/multiple-vulnerabilities-mesbookThird Party Advisory
Other vulnerabilities in MESbook
- 7.5 High severity
- 7.1 High severity
- 8.2 High severity
Recent Incorrect Provision of Specified Functionality vulnerabilities
- 7.5 High severity
- 9.8 Critical severity
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