CVE-2021-43734
CVE-2021-43734 is a high-severity vulnerability in Keking Kkfileview with a CVSS 3.x base score of 7.5. Its EPSS exploit-prediction score of 11% places it in the 95th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-22.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 11% (95th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-22
- Affected product: Keking Kkfileview
- Published:
- Last modified:
Description
kkFileview v4.0.0 has arbitrary file read through a directory traversal vulnerability which may lead to sensitive file leak on related host.
Frequently asked questions
- What is CVE-2021-43734?
- kkFileview v4.0.0 has arbitrary file read through a directory traversal vulnerability which may lead to sensitive file leak on related host.
- How severe is CVE-2021-43734?
- CVE-2021-43734 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2021-43734 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 11% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-43734?
- CVE-2021-43734 affects Keking Kkfileview. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-43734?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2021-43734 published?
- CVE-2021-43734 was published on 2022-02-15 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:keking:kkfileview:4.0.0:*:*:*:*:*:*:*
More vulnerabilities in Keking Kkfileview
- CVE-2022-42149 — Critical (CVSS 9.8): kkFileView 4.0 is vulnerable to Server-side request forgery (SSRF) via controller\OnlinePreviewController.java.
- 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-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…
All CVEs affecting Keking Kkfileview →
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