Is CVE-2021-22132 in the CISA KEV catalog?

No. CVE-2021-22132 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-22132?

CVE-2021-22132 has a CVSS v3 base score of 4.8 (MEDIUM).

What is the EPSS score for CVE-2021-22132?

CVE-2021-22132 has an EPSS score of 1.24% (66th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-22132?

Upgrade Elasticsearch to 7.10.2 or later.

CVE & CISA-KEV Catalog

CVE-2021-22132

MEDIUM

4.8

CVSS v3

NVD

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

CWE-522

How to fix

Remediation Available

ElasticsearchWindows application

Affected:7.7.0 7.10.2Fixed in:7.10.2Elastic

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredLow

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

1.24%probability of exploitation in 30 days

66thpercentile

Moderate risk: more likely to be exploited than 66% of all known CVEs.

References

Patch1

oracle.com

Vendor Advisory1

discuss.elastic.co

Third-Party Advisory1

security.netapp.com

Related Vulnerabilities

Other CWE-522 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2019-17662	Critical	9.8	97%	-	-
CVE-2020-29583	Critical	9.8	90%	KEV	-
CVE-2021-30116	Critical	10.0	86%	KEV + Ransom	Fix
CVE-2024-44000	Critical	9.8	83%	-	Fix
CVE-2018-9160	Critical	9.8	77%	-	-
CVE-2017-9248	Critical	9.8	75%	KEV	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.