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CVE-2021-20655: soliton systems k.k. filezen OS Command Injection

CVSS: 9.0v2.0HighModified
Published 17-02-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-20655 is a high (CVSS 9.0) OS Command Injection vulnerability in soliton systems k.k. filezen. EPSS estimates a 3.54% chance of exploitation in the next 30 days, higher than 89.2% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.0/10
010
High · v2.0 (NVD)
EPSS score
3.54%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 17-02-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

FileZen (V3.0.0 to V4.2.7 and V5.0.0 to V5.0.2) allows a remote attacker with administrator rights to execute arbitrary OS commands via unspecified vectors.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

3.54%

Chance of exploitation in the next 30 days

Percentile

89%

Versus all other CVEs

30-day change

0.00 pp

From 3.54% on 21-09-2026

21-09-202621-10-2026
EPSS score
3.54%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (soliton.co.jp)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Soliton1 product
  • filezen≥ 3.0.0, ≤ 4.2.7 | ≥ 5.0.0, ≤ 5.0.2
Soliton systems k.k.1 product
  • filezenV3.0.0 to V4.2.7 and V5.0.0 to V5.0.2

2 vendors · 2 products

References

2 links