CVE-2021-39384
CVE-2021-39384 is a critical-severity vulnerability in Diaowen Dwsurvey with a CVSS 3.x base score of 9.8. 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-434.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 1% (64th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-434
- Affected product: Diaowen Dwsurvey
- Published:
- Last modified:
Description
DWSurvey v3.2.0 was discovered to contain an arbitrary file write vulnerability via the component /utils/ToHtmlServlet.java.
Frequently asked questions
- What is CVE-2021-39384?
- DWSurvey v3.2.0 was discovered to contain an arbitrary file write vulnerability via the component /utils/ToHtmlServlet.java.
- How severe is CVE-2021-39384?
- CVE-2021-39384 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-39384 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-39384?
- CVE-2021-39384 affects Diaowen Dwsurvey. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-39384?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2021-39384 published?
- CVE-2021-39384 was published on 2022-03-20 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:diaowen:dwsurvey:3.2.0:*:*:*:*:*:*:*
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- CVE-2019-15095 — Medium (CVSS 6.1): DWSurvey through 2019-07-22 has reflected XSS via the design/qu-multi-fillblank!answers.action surveyId parameter.
- CVE-2019-14747 — Medium (CVSS 6.1): DWSurvey through 2019-07-22 has stored XSS via the design/my-survey-design!copySurvey.action surveyName parameter.
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