CVE-2023-42398
Published: 15 September 2023
Summary
CVE-2023-42398 is a critical-severity SSRF (CWE-918) vulnerability in Zzcms Zzcms. Its CVSS base score is 9.8 (Critical).
Operationally, ranked in the top 5.2% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
Deeper analysis
CVE-2023-42398 is a server-side request forgery vulnerability in zzCMS version 2023 that affects the ueditor component within controller.php. The flaw carries a CVSS 3.1 base score of 9.8 and is tracked under CWE-918, enabling remote attackers to trigger arbitrary server-side requests that can lead to code execution and disclosure of sensitive information.
A remote, unauthenticated attacker can exploit the issue over the network by supplying crafted input to the affected ueditor endpoint, achieving full confidentiality, integrity, and availability impact without any user interaction or privileges.
Public references consist of technical write-ups hosted on GitHub that document the SSRF vector in zzCMS 2023; no vendor advisory or patch information is included in the supplied references. The associated EPSS score has remained flat at 0.1539 since disclosure, indicating no material increase in observed exploitation interest.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-46851
Vulnerability details
An issue in zzCMS v.2023 allows a remote attacker to execute arbitrary code and obtain sensitive information via the ueditor component in controller.php.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
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.
Penetration testing attempts server-side requests to internal resources, identifying SSRF weaknesses for remediation.
Outbound connections to external resources can be monitored and limited at the boundary, reducing SSRF impact.
Validates server-side URLs and resource references to block SSRF attempts.
Detects server-side request forgery through monitoring of unexpected outbound connections.