CVE-2021-22132

Description

Elasticsearch versions 7.7.0 to 7.10.1 contain an information disclosure flaw in the async search API. Users who execute an async search will improperly store the HTTP headers. An Elasticsearch user with the ability to read the .tasks index could obtain sensitive request headers of other users in the cluster. This issue is fixed in Elasticsearch 7.10.2

Category

4.8
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.28% Top 25%
Vendor Advisory elastic.co
Affected: Elastic Elasticsearch
Published at:
Updated at:

References

Link Tags
https://discuss.elastic.co/t/elasticsearch-7-10-2-security-update/261164 release notes vendor advisory
https://www.oracle.com/security-alerts/cpuapr2022.html third party advisory patch
https://security.netapp.com/advisory/ntap-20210219-0004/ third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-22132?
CVE-2021-22132 has been scored as a medium severity vulnerability.
How to fix CVE-2021-22132?
To fix CVE-2021-22132, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-22132 being actively exploited in the wild?
It is possible that CVE-2021-22132 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-22132?
CVE-2021-22132 affects Elastic Elasticsearch.
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