What is CVE-2022-42149?

CVE-2022-42149 is a critical-severity vulnerability in Keking Kkfileview, classified under Server-Side Request Forgery (SSRF). CVSS score: 9.8/10. Published 2022-10-17.

How severe is CVE-2022-42149?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2022-42149 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

SSRF in Keking Kkfileview

CVE-2022-42149

kkFileView 4.0 is vulnerable to Server-side request forgery (SSRF) via controller\OnlinePreviewController.java.

Vulnerability class: SSRF (Server-Side Request Forgery)

Published 2022-10-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.024 (83.2th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 83.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.023 · newest: 0.024 · change: +0.000

Affected products

Keking Kkfileview — versions 4.0.0

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

Public proof-of-concept exploits

ARPSyndicate/cve-scores

References

github.com/xiaojiangxl/paper/blob/main/kkFileView/ssrf_vul_en.md (Third Party Advisory, Broken Link)

Frequently asked questions

What is CVE-2022-42149?: CVE-2022-42149 is a critical-severity vulnerability in Keking Kkfileview, classified under Server-Side Request Forgery (SSRF). CVSS score: 9.8/10. Published 2022-10-17.
How severe is CVE-2022-42149?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2022-42149 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.