CVE-2021-22132

Name: CVE-2021-22132
Creator: NVD / NIST
Published: 2021-01-14T20:15:13.407+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.8/10EPSS 1.24%

Last modified Jun 17, 2026

CVE-2021-22132 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. 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. EPSS estimates a 1.24% chance of exploitation in the next 30 days.

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

Metrics

CVSS 3.1

4.8/10

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

EPSS Probability

1.24%

65.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Elastic	Elasticsearch	>= 7.7.0, < 7.10.2
Oracle	Communications Cloud Native Core Automated Test Suite	1.8.0

References

https://discuss.elastic.co/t/elasticsearch-7-10-2-security-update/261164Release Notes, Vendor Advisory
https://security.netapp.com/advisory/ntap-20210219-0004/Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2022.htmlPatch, Third Party Advisory
https://discuss.elastic.co/t/elasticsearch-7-10-2-security-update/261164Release Notes, Vendor Advisory
https://security.netapp.com/advisory/ntap-20210219-0004/Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2022.htmlPatch, Third Party Advisory

Timeline

Published: Jan 14, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-22132?

How severe is CVE-2021-22132?

CVE-2021-22132 has a CVSS score of 4.8/10 (MEDIUM severity). The EPSS model estimates a 1.24% probability of exploitation in the next 30 days.

How do I fix CVE-2021-22132?

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-2021-22132?

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

Scan your code now

Source: NVD / NIST