How severe is CVE-2022-42149?

CVE-2022-42149 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-42149 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-42149?

CVE-2022-42149 affects Keking Kkfileview. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-42149?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2022-42149 published?

CVE-2022-42149 was published on 2022-10-17 and last updated on 2026-06-17.

CVE-2022-42149

CVE-2022-42149 is a critical-severity vulnerability in Keking Kkfileview with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-918.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-918
Affected product: Keking Kkfileview
Published: 2022-10-17
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2022-42149?: kkFileView 4.0 is vulnerable to Server-side request forgery (SSRF) via controller\OnlinePreviewController.java.
How severe is CVE-2022-42149?: CVE-2022-42149 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-42149 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-42149?: CVE-2022-42149 affects Keking Kkfileview. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-42149?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-42149 published?: CVE-2022-42149 was published on 2022-10-17 and last updated on 2026-06-17.

References

https://github.com/xiaojiangxl/paper/blob/main/kkFileView/ssrf_vul_en.md

Affected products (1)

cpe:2.3:a:keking:kkfileview:4.0.0:*:*:*:*:*:*:*

More vulnerabilities in Keking Kkfileview

CVE-2022-43140 — High (CVSS 7.5): kkFileView v4.1.0 was discovered to contain a Server-Side Request Forgery (SSRF) via the component…
CVE-2021-43734 — High (CVSS 7.5): kkFileview v4.0.0 has arbitrary file read through a directory traversal vulnerability which may lead to sensitive file…
CVE-2022-36593 — Medium (CVSS 6.5): kkFileView v4.0.0 was discovered to contain an arbitrary file deletion vulnerability via the fileName parameter at…
CVE-2025-4538 — Medium (CVSS 6.3): A vulnerability was found in kkFileView 4.4.0. It has been classified as critical. This affects an unknown part of the…
CVE-2023-48815 — Medium (CVSS 6.1): kkFileView v4.3.0 is vulnerable to Incorrect Access Control.
CVE-2022-46934 — Medium (CVSS 6.1): kkFileView v4.1.0 was discovered to contain a cross-site scripting (XSS) vulnerability via the url parameter at…

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