Cyber Resilience

CVE-2023-6343

Medium

Published: 30 November 2023

Published
30 November 2023
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS Score 0.0108 78.2th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-6343 is a medium-severity Improper Authentication (CWE-287) vulnerability in Tylertech Court Case Management Plus. Its CVSS base score is 5.3 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique File and Directory Discovery (T1083); ranked in the top 21.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Tyler Technologies Court Case Management Plus allows a remote, unauthenticated attacker to enumerate and access sensitive files using the tiffserver/tssp.aspx 'FN' and 'PN' parameters. This behavior is related to the use of a deprecated version of Aquaforest TIFF Server, possibly…

more

2.x. The vulnerable Aquaforest TIFF Server feature was removed on or around 2023-11-01. Insecure configuration issues in Aquaforest TIFF Server are identified separately as CVE-2023-6352. CVE-2023-6343 is similar to CVE-2020-9323. CVE-2023-6343 is related to or partially caused by CVE-2023-6352.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1083 File and Directory Discovery Discovery
Adversaries may enumerate files and directories or may search in specific locations of a host or network share for certain information within a file system.
T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
T1213 Data from Information Repositories Collection
Adversaries may leverage information repositories to mine valuable information.
Why these techniques?

Unauthenticated remote enumeration (T1083) and access to sensitive files via parameter manipulation (FN/PN) in public-facing web application (T1190) enables collection from court records information repository (T1213).

Affected Assets

tylertech
court case management plus
all versions

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-287

Detects unauthorized successful logons resulting from improper authentication implementations.

addresses: CWE-287

Documented procedures ensure personnel are trained on authentication mechanisms, tangibly lowering the risk of improper authentication being exploited.

addresses: CWE-287

Security awareness training instructs users on secure authentication practices and avoiding credential compromise.

addresses: CWE-287

Training on authentication mechanisms and best practices decreases the occurrence of improper authentication.

addresses: CWE-287

Non-repudiation requires strong authentication mechanisms to irrefutably attribute performed actions to specific individuals or processes.

addresses: CWE-287

Session content review can reveal authentication bypasses or failures in session establishment.

addresses: CWE-287

Review of authentication-related audit records can detect improper authentication mechanisms or bypasses.

addresses: CWE-287

Assessments check authentication mechanisms for correct implementation and effectiveness, reducing successful authentication bypass attempts.

References