Elastic Elasticsearch vulnerabilities

CVE-2023-31418 [HIGH] CWE-400 CVE-2023-31418: An issue has been identified with how Elasticsearch handled incoming requests on the HTTP layer. An An issue has been identified with how Elasticsearch handled incoming requests on the HTTP layer. An unauthenticated user could force an Elasticsearch node to exit with an OutOfMemory error by sending a moderate number of malformed HTTP requests. The issue was identified by Elastic Engineering and we have no indication that the issue is known or that it

CVE-2023-31417 [MEDIUM] CWE-532 CVE-2023-31417: Elasticsearch generally filters out sensitive information and credentials before logging to the audi Elasticsearch generally filters out sensitive information and credentials before logging to the audit log. It was found that this filtering was not applied when requests to Elasticsearch use certain deprecated URIs for APIs. The impact of this flaw is that sensitive information such as passwords and tokens might be printed in cleartext in Elasticsea

CVE-2022-23712 [HIGH] CWE-754 CVE-2022-23712: A Denial of Service flaw was discovered in Elasticsearch. Using this vulnerability, an unauthenticat A Denial of Service flaw was discovered in Elasticsearch. Using this vulnerability, an unauthenticated attacker could forcibly shut down an Elasticsearch node with a specifically formatted network request.

CVE-2022-23708 [MEDIUM] CWE-264 CVE-2022-23708: A flaw was discovered in Elasticsearch 7.17.0’s upgrade assistant, in which upgrading from version 6 A flaw was discovered in Elasticsearch 7.17.0’s upgrade assistant, in which upgrading from version 6.x to 7.x would disable the in-built protections on the security index, allowing authenticated users with “*” index permissions access to this index.

CVE-2021-22147 [MEDIUM] CWE-732 CVE-2021-22147: Elasticsearch before 7.14.0 did not apply document and field level security to searchable snapshots. Elasticsearch before 7.14.0 did not apply document and field level security to searchable snapshots. This could lead to an authenticated user gaining access to information that they are unauthorized to view.

CVE-2021-22144 [MEDIUM] CWE-674 CVE-2021-22144: In Elasticsearch versions before 7.13.3 and 6.8.17 an uncontrolled recursion vulnerability that coul In Elasticsearch versions before 7.13.3 and 6.8.17 an uncontrolled recursion vulnerability that could lead to a denial of service attack was identified in the Elasticsearch Grok parser. A user with the ability to submit arbitrary queries to Elasticsearch could create a malicious Grok query that will crash the Elasticsearch node.

CVE-2021-22146 [HIGH] CVE-2021-22146: All versions of Elastic Cloud Enterprise has the Elasticsearch “anonymous” user enabled by default i All versions of Elastic Cloud Enterprise has the Elasticsearch “anonymous” user enabled by default in deployed clusters. While in the default setting the anonymous user has no permissions and is unable to successfully query any Elasticsearch APIs, an attacker could leverage the anonymous user to gain insight into certain details of a deployed cluster.

CVE-2021-22145 [MEDIUM] CWE-200 CVE-2021-22145: A memory disclosure vulnerability was identified in Elasticsearch 7.10.0 to 7.13.3 error reporting. 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 suc

CVE-2021-22135 [MEDIUM] CWE-200 CVE-2021-22135: Elasticsearch versions before 7.11.2 and 6.8.15 contain a document disclosure flaw was found in the Elasticsearch versions before 7.11.2 and 6.8.15 contain a document disclosure flaw was found in the Elasticsearch suggester and profile API when Document and Field Level Security are enabled. The suggester and profile API are normally disabled for an index when document level security is enabled on the index. Certain queries are able to enable the pr

CVE-2021-22137 [MEDIUM] CWE-200 CVE-2021-22137: In Elasticsearch versions before 7.11.2 and 6.8.15 a document disclosure flaw was found when Documen In Elasticsearch versions before 7.11.2 and 6.8.15 a document disclosure flaw was found when Document or Field Level Security is used. Search queries do not properly preserve security permissions when executing certain cross-cluster search queries. This could result in the search disclosing the existence of documents the attacker should not be able

CVE-2021-22138 [LOW] CWE-295 CVE-2021-22138: In Logstash versions after 6.4.0 and before 6.8.15 and 7.12.0 a TLS certificate validation flaw was In Logstash versions after 6.4.0 and before 6.8.15 and 7.12.0 a TLS certificate validation flaw was found in the monitoring feature. When specifying a trusted server CA certificate Logstash would not properly verify the certificate returned by the monitoring server. This could result in a man in the middle style attack against the Logstash monitoring da

CVE-2021-22134 [MEDIUM] CWE-200 CVE-2021-22134: A document disclosure flaw was found in Elasticsearch versions after 7.6.0 and before 7.11.0 when Do A document disclosure flaw was found in Elasticsearch versions after 7.6.0 and before 7.11.0 when Document or Field Level Security is used. Get requests do not properly apply security permissions when executing a query against a recently updated document. This affects documents that have been updated and not yet refreshed in the index. This could re

CVE-2020-7021 [MEDIUM] CWE-532 CVE-2020-7021: Elasticsearch versions before 7.10.0 and 6.8.14 have an information disclosure issue when audit logg Elasticsearch versions before 7.10.0 and 6.8.14 have an information disclosure issue when audit logging and the emit_request_body option is enabled. The Elasticsearch audit log could contain sensitive information such as password hashes or authentication tokens. This could allow an Elasticsearch administrator to view these details.

CVE-2021-22132 [MEDIUM] CWE-522 CVE-2021-22132: Elasticsearch versions 7.7.0 to 7.10.1 contain an information disclosure flaw in the async search AP 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 7.1

CVE-2020-7020 [LOW] CWE-270 CVE-2020-7020: Elasticsearch versions before 6.8.13 and 7.9.2 contain a document disclosure flaw when Document or F Elasticsearch versions before 6.8.13 and 7.9.2 contain a document disclosure flaw when Document or Field Level Security is used. Search queries do not properly preserve security permissions when executing certain complex queries. This could result in the search disclosing the existence of documents the attacker should not be able to view. This could resu

CVE-2020-7019 [MEDIUM] CWE-270 CVE-2020-7019: In Elasticsearch before 7.9.0 and 6.8.12 a field disclosure flaw was found when running a scrolling In Elasticsearch before 7.9.0 and 6.8.12 a field disclosure flaw was found when running a scrolling search with Field Level Security. If a user runs the same query another more privileged user recently ran, the scrolling search can leak fields that should be hidden. This could result in an attacker gaining additional permissions against a restricted in

CVE-2020-7014 [HIGH] CVE-2020-7014: The fix for CVE-2020-7009 was found to be incomplete. Elasticsearch versions from 6.7.0 to 6.8.7 and The fix for CVE-2020-7009 was found to be incomplete. Elasticsearch versions from 6.7.0 to 6.8.7 and 7.0.0 to 7.6.1 contain a privilege escalation flaw if an attacker is able to create API keys and also authentication tokens. An attacker who is able to generate an API key and an authentication token can perform a series of steps that result in an authentication

CVE-2020-7009 [HIGH] CWE-266 CVE-2020-7009: Elasticsearch versions from 6.7.0 before 6.8.8 and 7.0.0 before 7.6.2 contain a privilege escalation Elasticsearch versions from 6.7.0 before 6.8.8 and 7.0.0 before 7.6.2 contain a privilege escalation flaw if an attacker is able to create API keys. An attacker who is able to generate an API key can perform a series of steps that result in an API key being generated with elevated privileges.

CVE-2019-7619 [MEDIUM] CWE-200 CVE-2019-7619: Elasticsearch versions 7.0.0-7.3.2 and 6.7.0-6.8.3 contain a username disclosure flaw was found in t Elasticsearch versions 7.0.0-7.3.2 and 6.7.0-6.8.3 contain a username disclosure flaw was found in the API Key service. An unauthenticated attacker could send a specially crafted request and determine if a username exists in the Elasticsearch native realm.

CVE-2019-7614 [MEDIUM] CWE-362 CVE-2019-7614: A race condition flaw was found in the response headers Elasticsearch versions before 7.2.1 and 6.8. A race condition flaw was found in the response headers Elasticsearch versions before 7.2.1 and 6.8.2 returns to a request. On a system with multiple users submitting requests, it could be possible for an attacker to gain access to response header containing sensitive data from another user.