CVE-2021-38678 json
Open Redirect Vulnerability in QcalAgent
published 2022-01-14 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-25117
- cvss
- 6.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 48%
- public exploits
- 0
- none known
Summary
An open redirect vulnerability has been reported to affect QNAP device running QcalAgent. If exploited, this vulnerability allows attackers to redirect users to an untrusted page that contains malware. We have already fixed this vulnerability in the following versions of QcalAgent: QcalAgent 1.1.7 and later
Patch / fix
- QNAP Systems Inc. QcalAgent 1.1.7
Exploit prediction
0.59% chance of exploitation in the next 30 days, higher than 48% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 5.8 | AV:N/AC:M/Au:N/C:P/I:P/A:N |
Affected products
- QNAP Systems Inc. QcalAgent
Classification
- Weakness
-
- CWE-601 URL Redirection to Untrusted Site
References
-
qnap.com
/en/security-advisory/qsa-21-60
vendor-advisory
Sources
- CVE List CVE-2021-38678
- NVD CVE-2021-38678
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