CVE-2022-42149
Published: 17 October 2022
Summary
CVE-2022-42149 is a critical-severity SSRF (CWE-918) vulnerability in Keking Kkfileview. Its CVSS base score is 9.8 (Critical).
Operationally, ranked in the top 2.4% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
kkFileView 4.0 contains a server-side request forgery vulnerability in the OnlinePreviewController.java component, tracked as CVE-2022-42149 and assigned CWE-918. The flaw received a CVSS 3.1 base score of 9.8, reflecting network-accessible attack vectors that require no authentication or user interaction.
An unauthenticated remote attacker can supply crafted input to the affected controller and coerce the application into issuing arbitrary requests to internal or external resources, potentially resulting in full compromise of confidentiality, integrity, and availability. The current and peak EPSS scores both stand at 0.4284, indicating sustained exploitation interest since disclosure without a pronounced upward trajectory from a low baseline.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-45226
Vulnerability details
kkFileView 4.0 is vulnerable to Server-side request forgery (SSRF) via controller\OnlinePreviewController.java.
- 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.