CVE-2021-44791
CVE-2021-44791 is a medium-severity vulnerability in Apache Druid 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: 2% (79th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Apache Druid
- Published:
- Last modified:
Description
In Apache Druid 0.22.1 and earlier, certain specially-crafted links result in unescaped URL parameters being sent back in HTML responses. This makes it possible to execute reflected XSS attacks.
Frequently asked questions
- What is CVE-2021-44791?
- In Apache Druid 0.22.1 and earlier, certain specially-crafted links result in unescaped URL parameters being sent back in HTML responses. This makes it possible to execute reflected XSS attacks.
- How severe is CVE-2021-44791?
- CVE-2021-44791 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-2021-44791 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-44791?
- CVE-2021-44791 affects Apache Druid. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-44791?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-44791 published?
- CVE-2021-44791 was published on 2022-07-07 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:apache:druid:*:*:*:*:*:*:*:*
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