What is CVE-2020-5639?
Directory traversal vulnerability in FileZen versions from V3.0.0 to V4.2.2 allows remote attackers to upload an arbitrary file in a specific directory via unspecified vectors. As a result, an arbitrary OS command may be executed.
The record classifies CVE-2020-5639 under weakness class CWE-22. Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction, and has high impact on confidentiality, integrity, availability. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 2121 days ago.
Severity and exploitation probability
- CVSS v3.1 base score
- 9.8 — CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - EPSS (FIRST)
- 9.2% probability of exploitation in the next 30 days, higher than 92.7% of all scored CVEs
- CISA KEV
- Not listed in the CISA Known Exploited Vulnerabilities catalog
- Threadlinqs priority
- 8.6/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- Published
- 2020-12-14, last modified 2024-11-21
Is CVE-2020-5639 being exploited?
It currently carries a trending score of 28 in the Threadlinqs vulnerability feed.
Affected products and versions
- Soliton: Filezen
How to fix CVE-2020-5639
The record marks a vendor fix as available for CVE-2020-5639. Patch reference: https://www.soliton.co.jp/support/2020/004278.html. Vendor advisory: https://www.soliton.co.jp/support/2020/004278.html. Apply the vendor fix referenced above to every affected product listed in this record, then confirm the running version against the vendor advisory.
Threat activity tracking CVE-2020-5639
No threat campaign in the Threadlinqs corpus currently references CVE-2020-5639, in its CVE list or as an indicator. The linkage is recomputed from the live corpus on every daily ingest, so this section fills in as soon as a tracked campaign cites the identifier.
Sources
Seeded from NVD and not yet processed by the Threadlinqs enrichment pipeline, so blank CVSS, EPSS or KEV fields above mean NOT MEASURED rather than measured-absent.