Vulnerability Report

CVE-2021-22145

Title: Memory Disclosure in Elasticsearch Error Reporting

Memory Disclosure

Proof Of Concept

PoC Available for CVE-2021-22145

CWE Category CWE-209
Published Date Jul 21, 2021
Modified Date Jul 08, 2025
Exploit Status Available
Score 6.5 CVSS v3.1
Exploit Probability (EPSS)
76.25%

Vulnerability Summary

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.

Impacted Vendors

E
elastic 1
O
oracle 1
A
anynines 1
E
elasticsearch 1

Reference Links

http://packetstormsecurity.com/files/163648/ElasticSearch-7.13.3-Memory-Disclosure.html https://discuss.elastic.co/t/elasticsearch-7-13-4-security-update/279177 https://gist.github.com/lucasdrufva/f9c5d7c9e26ee087b736d727953afd34 https://security.netapp.com/advisory/ntap-20210827-0006/ https://www.oracle.com/security-alerts/cpuapr2022.html http://packetstormsecurity.com/files/163648/ElasticSearch-7.13.3-Memory-Disclosure.html 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
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
6.5
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
4.0
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:L/Au:S/C:P/I:N/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2021-22145 Exploits & PoCs (Proof Of Concept)

Exploit-DB https://www.exploit-db.com/exploits/50149
View Code
MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected Stack

No specific products linked.