How severe is CVE-2021-38675?

CVE-2021-38675 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-38675 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-38675?

CVE-2021-38675 affects Qnap Image2pdf. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-38675?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-38675 published?

CVE-2021-38675 was published on 2021-10-01 and last updated on 2026-06-17.

CVE-2021-38675

CVE-2021-38675 is a medium-severity vulnerability in Qnap Image2pdf with a CVSS 3.x base score of 5.4. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 1% (44th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Qnap Image2pdf
Published: 2021-10-01
Last modified: 2026-06-17

Description

A cross-site scripting (XSS) vulnerability has been reported to affect QNAP device running Image2PDF. If exploited, this vulnerability allows remote attackers to inject malicious code. We have already fixed this vulnerability in the following versions of Image2PDF: Image2PDF 2.1.5 ( 2021/08/17 ) and later

Frequently asked questions

What is CVE-2021-38675?: A cross-site scripting (XSS) vulnerability has been reported to affect QNAP device running Image2PDF. If exploited, this vulnerability allows remote attackers to inject malicious code. We have already fixed this vulnerability in the following versions of Image2PDF: Image2PDF 2.1.5 ( 2021/08/17 ) and later
How severe is CVE-2021-38675?: CVE-2021-38675 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-38675 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-38675?: CVE-2021-38675 affects Qnap Image2pdf. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-38675?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-38675 published?: CVE-2021-38675 was published on 2021-10-01 and last updated on 2026-06-17.

References

https://www.qnap.com/en/security-advisory/qsa-21-43

Affected products (1)

cpe:2.3:a:qnap:image2pdf:*:*:*:*:*:*:*:*

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