7.5

CVE-2021-38688: qnap systems inc. qfile Improper Authentication

CVSS: 7.5v3.1HighModified
Published 29-12-2021Last modified 16-09-2024
Open JSON

Vulnerability summary

CVE-2021-38688 is a high (CVSS 7.5) Improper Authentication vulnerability in qnap systems inc. qfile. EPSS estimates a 0.81% chance of exploitation in the next 30 days, higher than 56.4% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
0.81%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 29-12-2021
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

Description

An improper authentication vulnerability has been reported to affect Android App Qfile. If exploited, this vulnerability allows attackers to compromise app and access information We have already fixed this vulnerability in the following versions of Qfile: Qfile 3.0.0.1105 and later

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.81%

Chance of exploitation in the next 30 days

Percentile

56%

Versus all other CVEs

30-day change

0.00 pp

From 0.81% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.81%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Qnap1 product
Qnap systems inc.1 product
  • qfile≥ unspecified, < 3.0.0.1105

2 vendors · 2 products

References

1 links