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CVE-2021-22150

HIGHCVSS 7.2/10EPSS 1.15%

Last modified

CVE-2021-22150 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. It was discovered that a user with Fleet admin permissions could upload a malicious package. Due to using an older version of the js-yaml library, this package would be loaded in an insecure manner, allowing an attacker to execute commands on the Kibana server. . EPSS estimates a 1.15% chance of exploitation in the next 30 days.

Description

It was discovered that a user with Fleet admin permissions could upload a malicious package. Due to using an older version of the js-yaml library, this package would be loaded in an insecure manner, allowing an attacker to execute commands on the Kibana server.

Metrics

CVSS 3.1
7.2/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
1.15%

63.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
ElasticKibana>= 7.10.2, < 7.14.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-22150?
It was discovered that a user with Fleet admin permissions could upload a malicious package. Due to using an older version of the js-yaml library, this package would be loaded in an insecure manner, allowing an attacker to execute commands on the Kibana server.
How severe is CVE-2021-22150?
CVE-2021-22150 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 1.15% probability of exploitation in the next 30 days.
How do I fix CVE-2021-22150?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-22150?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST