Court Case Management Plus: Improper Authentication
CVE-2023-6342 is a critical-severity improper authentication vulnerability in Court Case Management Plus from Tyler Technologies, with a CVSS 3.1 base score of 9.8 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. The record lists version ~2023-11-01 as the first without the flaw, so updating Court Case Management Plus to that release or later removes the exposure. There is no confirmed exploitation so far. EPSS estimates a 1.13% chance of exploitation within 30 days, higher than 67% of scored CVEs.
Critical severity: a successful attack would have severe impact.
What to do
- Update Court Case Management Plus to ~2023-11-01 or a later version.
- 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 |
|---|---|---|---|
| Tyler Technologies | Court Case Management Plus | before ~2023-11-01 | ~2023-11-01 |
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
- HighThe component can be taken down completely.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. Scored by NVD.
| Scoring system | Score | Severity | Scored by |
|---|---|---|---|
| CVSS 3.1 | 5.3 | Medium | CNA |
| CVSS 3.1 | 9.8 | Critical | NVD |
Official description
Tyler Technologies Court Case Management Plus allows a remote attacker to authenticate as any user by manipulating at least the 'CmWebSearchPfp/Login.aspx?xyzldk=' and 'payforprint_CM/Redirector.ashx?userid=' parameters. The vulnerable "pay for print" feature was removed on or around 2023-11-01.
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: partial).
- Record last changed materially (score, affected products, status or references).
References
Third-party and government advisories
- github.com/qwell/disorder-in-the-court/blob/main/README-TylerTechnologies.mdThird Party Advisory
- techcrunch.com/2023/11/30/us-court-records-systems-vulnerabilities-exposed-sealed-documents/Press/Media Coverage, Third Party Advisory
- cisa.gov/news-events/alerts/2023/11/30/multiple-vulnerabilities-affecting-web-based-court-case-and-document-m…Third Party Advisory, US Government Resource
Other references
Other vulnerabilities in Court Case Management Plus
- 7.5 High severity
Recent Improper Authentication vulnerabilities
- 9.4 Critical severity
- 9.4 Critical severity
- 9.8 Critical severity
- 7.5 High severity
- 9.8 Critical severity
- 8.8 High severity
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