CVE-2020-1933
CVE-2020-1933 is a medium-severity vulnerability in Apache Nifi 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-79.
Key facts
- Severity: Medium (CVSS 3.x base score 6.1)
- CVSS v2: 4.3
- EPSS exploit prediction: 3% (86th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Apache Nifi
- Published:
- Last modified:
Description
A XSS vulnerability was found in Apache NiFi 1.0.0 to 1.10.0. Malicious scripts could be injected to the UI through action by an unaware authenticated user in Firefox. Did not appear to occur in other browsers.
Frequently asked questions
- What is CVE-2020-1933?
- A XSS vulnerability was found in Apache NiFi 1.0.0 to 1.10.0. Malicious scripts could be injected to the UI through action by an unaware authenticated user in Firefox. Did not appear to occur in other browsers.
- How severe is CVE-2020-1933?
- CVE-2020-1933 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-2020-1933 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-1933?
- CVE-2020-1933 affects Apache Nifi. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-1933?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-1933 published?
- CVE-2020-1933 was published on 2020-01-28 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:apache:nifi:*:*:*:*:*:*:*:*
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- CVE-2017-15697 — Critical (CVSS 9.8): A malicious X-ProxyContextPath or X-Forwarded-Context header containing external resources or embedded code could cause…
- CVE-2017-5636 — Critical (CVSS 9.8): In Apache NiFi before 0.7.2 and 1.x before 1.1.2 in a cluster environment, the proxy chain…
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