What is CVE-2021-44791?

CVE-2021-44791 is a medium-severity vulnerability in Apache Druid, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-07-07.

How severe is CVE-2021-44791?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Apache Druid

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.019 (77.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Apache Druid
Apache Software Foundation Druid — versions Apache Druid

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security@apache.org (Mailing List, x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-44791?: CVE-2021-44791 is a medium-severity vulnerability in Apache Druid, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-07-07.
How severe is CVE-2021-44791?: Medium severity. CVSS v3 base score is 6.1 out of 10.