CVE-2021-26544
Apache Livy Cross-site scripting (XSS) in session names
5.4
MEDIUM
CVSS 3.1
EPSS 2.4%
Description
Livy server version 0.7.0-incubating (only) is vulnerable to a cross site scripting issue in the session name. A malicious user could use this flaw to access logs and results of other users' sessions and run jobs with their privileges. This issue is fixed in Livy 0.7.1-incubating.
How to fix CVE-2021-26544
To remediate CVE-2021-26544, upgrade the affected package to a fixed version below.
- —upgrade to 0.7.1-incubating or later
Is CVE-2021-26544 being exploited?
Low — EPSS is 2.4%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 0.7.0-incubating, < 0.7.1-incubating
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
References (5)
- ADVISORYnvd.nist.gov/vuln/detail/CVE-2021-26544
- WEBgithub.com/apache/incubator-livy/commit/4d8a912699683b973eee76d4e91447d769a0cb0d
- WEBgithub.com/apache/incubator-livy/commit/9f1ba47a2f0d8accc435b133b42c3a76aa9ac846
- WEBlists.apache.org/thread.html/r2db14e7fd1e5ec2519e8828d43529bad623d75698cc7918af3a3f3ed%40%3Cuser.livy.apache.org%3E