CVE-2021-38688 json
Improper Authentication in Qfile
published 2021-12-29 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-25127
- cvss
- 7.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 58%
- public exploits
- 0
- none known
Summary
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
Patch / fix
- QNAP Systems Inc. Qfile 3.0.0.1105
Exploit prediction
0.84% chance of exploitation in the next 30 days, higher than 58% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.1 | CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
Affected products
- QNAP Systems Inc. Qfile
Classification
- Weakness
-
- CWE-287 Improper Authentication
References
-
qnap.com
/en/security-advisory/qsa-21-55
vendor-advisory
Sources
- CVE List CVE-2021-38688
- NVD CVE-2021-38688
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.