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Vulnerabilities

Security fix · CVE-2021-22132

Elasticsearch versions 7.7.0 to 7.10.1 contain an information disclosure flaw in the async search API.

Published Jan 14, 2021 · catalog updated Jun 17, 2026 · Elasticsearch versions 7.7.0 to

Last checked Nov 4, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2021-22132. EPSS is 1.22%. Act only if a listed version of Elasticsearch versions 7.7.0 to is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Elasticsearch versions 7.7.0 to).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium4.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
1.22%
Remediation
Version ranges on file
Affected products
cpe elastic/elasticsearch · cpe oracle/communications cloud native core automated test suite

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

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe elastic/elasticsearch< 7.10.2
  • cpe oracle/communications cloud native core automated test suite1.8.0

How to fix CVE-2021-22132

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2021-22132. EPSS is 1.22%. Act only if a listed version of Elasticsearch versions 7.7.0 to is installed.

Which versions are affected?

Compare what you have installed with oracle/communications cloud native core automated test suite 1.8.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-522: Insufficiently Protected Credentials. EPSS 1.22%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Elasticsearch security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jan 14, 2021 · Monitored products — high

    Detected

    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

  2. Jun 17, 2026 · Monitored products — high

    Updated

    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

Sources

  • CVE.orgVulnerability recordCVE-2021-22132

    Official CVE identifier

    cve.org
  • Monitored products — highVendor advisoryCVE-2021-22132

    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

    nvd.nist.gov

References

Freshness

Last verified in this catalog Nov 4, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • CVE.orgNov 2, 2026
  • Monitored products — highNov 1, 2026