CVE-2021-38678
CVE-2021-38678 is a medium-severity vulnerability in Qnap Qcalagent with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-601.
Key facts
- Severity: Medium (CVSS 3.x base score 6.1)
- CVSS v2: 5.8
- EPSS exploit prediction: 1% (43rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-601
- Affected product: Qnap Qcalagent
- Published:
- Last modified:
Description
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
Frequently asked questions
- What is CVE-2021-38678?
- 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
- How severe is CVE-2021-38678?
- CVE-2021-38678 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2021-38678 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-38678?
- CVE-2021-38678 affects Qnap Qcalagent. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-38678?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-38678 published?
- CVE-2021-38678 was published on 2022-01-14 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:qnap:qcalagent:*:*:*:*:*:*:*:*
More vulnerabilities in Qnap Qcalagent
- CVE-2023-41289 — Medium (CVSS 6.3): An OS command injection vulnerability has been reported to affect QcalAgent. If exploited, the vulnerability could…
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