CVE-2021-22145

A memory disclosure vulnerability was identified in Elasticsearch 7.10.0 to 7.13.3 error reporting. A user with the ability to submit arbitrary queries to Elasticsearch could submit a malformed query that would result in an error message returned containing previously used portions of a data buffer. This buffer could contain sensitive information such as Elasticsearch documents or authentication details.

Affected

Elastic · Elasticsearch

CVSS v3.1 NVD

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

CVSS v2.0 NVD

4.0 MEDIUMAV:N/AC:L/Au:S/C:P/I:N/A:N

EPSS

76.25% chance of exploitation in the next 30 days, 100th percentile

Nuclei

medium · CWE-209

Published

2021-07-21

Updated

2025-07-08

Proof-of-concept exploits (2)

• http://packetstormsecurity.com/files/163648/ElasticSearch-7.13.3-Memory-Disclosure.html
• niceeeeeeee/CVE-2021-22145-poc0★ · 2023-08-31

Nuclei templates (1)

• projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-22145.yaml

Metasploit modules (1)

• rapid7/metasploit-framework/blob/master/modules/auxiliary/scanner/http/elasticsearch_memo…

ExploitDB entries (1)

• https://www.exploit-db.com/exploits/50149

Exploit collections (1)

• CVE-2021-22145.yamlzan8in/afrog

Security advisories

• https://discuss.elastic.co/t/elasticsearch-7-13-4-security-update/279177
• https://security.netapp.com/advisory/ntap-20210827-0006
• https://www.oracle.com/security-alerts/cpuapr2022.html
• advisories/GHSA-q394-h7f5-7f44

References

• CVE Record
• NVD entry