Apache Solr vulnerabilities

CVE-2019-17558 [HIGH] CWE-74 CVE-2019-17558: Apache Solr 5.0.0 to Apache Solr 8.3.1 are vulnerable to a Remote Code Execution through the Velocit Apache Solr 5.0.0 to Apache Solr 8.3.1 are vulnerable to a Remote Code Execution through the VelocityResponseWriter. A Velocity template can be provided through Velocity templates in a configset `velocity/` directory or as a parameter. A user defined configset could contain renderable, potentially malicious, templates. Parameter provided templates are

CVE-2023-44487 [HIGH] CWE-400 CVE-2023-44487: The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancell The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.

CVE-2019-0193 [HIGH] CWE-94 CVE-2019-0193: In Apache Solr, the DataImportHandler, an optional but popular module to pull in data from databases In Apache Solr, the DataImportHandler, an optional but popular module to pull in data from databases and other sources, has a feature in which the whole DIH configuration can come from a request's "dataConfig" parameter. The debug mode of the DIH admin screen uses this to allow convenient debugging / development of a DIH config. Since a DIH config can co

CVE-2024-45216 [CRITICAL] CWE-287 CVE-2024-45216: Improper Authentication vulnerability in Apache Solr. Solr instances using the PKIAuthenticationPlu Improper Authentication vulnerability in Apache Solr. Solr instances using the PKIAuthenticationPlugin, which is enabled by default when Solr Authentication is used, are vulnerable to Authentication bypass. A fake ending at the end of any Solr API URL path, will allow requests to skip Authentication while maintaining the API contract with the orig

CVE-2019-0192 [CRITICAL] CWE-502 CVE-2019-0192: In Apache Solr versions 5.0.0 to 5.5.5 and 6.0.0 to 6.6.5, the Config API allows to configure the JM In Apache Solr versions 5.0.0 to 5.5.5 and 6.0.0 to 6.6.5, the Config API allows to configure the JMX server via an HTTP POST request. By pointing it to a malicious RMI server, an attacker could take advantage of Solr's unsafe deserialization to trigger remote code execution on the Solr side.

CVE-2023-50386 [HIGH] CWE-434 CVE-2023-50386: Improper Control of Dynamically-Managed Code Resources, Unrestricted Upload of File with Dangerous T Improper Control of Dynamically-Managed Code Resources, Unrestricted Upload of File with Dangerous Type, Inclusion of Functionality from Untrusted Control Sphere vulnerability in Apache Solr.This issue affects Apache Solr: from 6.0.0 through 8.11.2, from 9.0.0 before 9.4.1. In the affected versions, Solr ConfigSets accepted Java jar and class files t

CVE-2017-12629 [CRITICAL] CWE-611 CVE-2017-12629: Remote code execution occurs in Apache Solr before 7.1 with Apache Lucene before 7.1 by exploiting X Remote code execution occurs in Apache Solr before 7.1 with Apache Lucene before 7.1 by exploiting XXE in conjunction with use of a Config API add-listener command to reach the RunExecutableListener class. Elasticsearch, although it uses Lucene, is NOT vulnerable to this. Note that the XML external entity expansion vulnerability occurs in the XML

CVE-2021-27905 [CRITICAL] CWE-918 CVE-2021-27905: The ReplicationHandler (normally registered at "/replication" under a Solr core) in Apache Solr has The ReplicationHandler (normally registered at "/replication" under a Solr core) in Apache Solr has a "masterUrl" (also "leaderUrl" alias) parameter that is used to designate another ReplicationHandler on another Solr core to replicate index data into the local core. To prevent a SSRF vulnerability, Solr ought to check these parameters against a si

CVE-2026-44825 [CRITICAL] CWE-798 CVE-2026-44825: Hardcoded credentials in the Basic Authentication setup tool (bin/solr auth enable) in Apache Solr v Hardcoded credentials in the Basic Authentication setup tool (bin/solr auth enable) in Apache Solr versions 9.4.0 through 9.10.1 and 10.0.0 allows a remote attacker to gain full administrative access to the cluster via publicly known default credentials installed silently alongside the user-specified account. As an immediate workaround without up

CVE-2013-6397 [MEDIUM] CWE-22 CVE-2013-6397: Directory traversal vulnerability in SolrResourceLoader in Apache Solr before 4.6 allows remote atta Directory traversal vulnerability in SolrResourceLoader in Apache Solr before 4.6 allows remote attackers to read arbitrary files via a .. (dot dot) or full pathname in the tr parameter to solr/select/, when the response writer (wt parameter) is set to XSLT. NOTE: this can be leveraged using a separate XXE (XML eXternal Entity) vulnerability to allow a

CVE-2023-50290 [MEDIUM] CWE-200 CVE-2023-50290: Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache Solr. The Solr Me Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache Solr. The Solr Metrics API publishes all unprotected environment variables available to each Apache Solr instance. Users are able to specify which environment variables to hide, however, the default list is designed to work for known secret Java system properties. Env

CVE-2020-13957 [CRITICAL] CWE-863 CVE-2020-13957: Apache Solr versions 6.6.0 to 6.6.6, 7.0.0 to 7.7.3 and 8.0.0 to 8.6.2 prevents some features consid Apache Solr versions 6.6.0 to 6.6.6, 7.0.0 to 7.7.3 and 8.0.0 to 8.6.2 prevents some features considered dangerous (which could be used for remote code execution) to be configured in a ConfigSet that's uploaded via API without authentication/authorization. The checks in place to prevent such features can be circumvented by using a combination of U

CVE-2019-12409 [CRITICAL] CWE-434 CVE-2019-12409: The 8.1.1 and 8.2.0 releases of Apache Solr contain an insecure setting for the ENABLE_REMOTE_JMX_OP The 8.1.1 and 8.2.0 releases of Apache Solr contain an insecure setting for the ENABLE_REMOTE_JMX_OPTS configuration option in the default solr.in.sh configuration file shipping with Solr. If you use the default solr.in.sh file from the affected releases, then JMX monitoring will be enabled and exposed on RMI_PORT (default=18983), without any auth

CVE-2021-44548 [CRITICAL] CWE-20 CVE-2021-44548: An Improper Input Validation vulnerability in DataImportHandler of Apache Solr allows an attacker to An Improper Input Validation vulnerability in DataImportHandler of Apache Solr allows an attacker to provide a Windows UNC path resulting in an SMB network call being made from the Solr host to another host on the network. If the attacker has wider access to the network, this may lead to SMB attacks, which may result in: * The exfiltration of sensi

CVE-2021-29943 [CRITICAL] CWE-863 CVE-2021-29943: When using ConfigurableInternodeAuthHadoopPlugin for authentication, Apache Solr versions prior to 8 When using ConfigurableInternodeAuthHadoopPlugin for authentication, Apache Solr versions prior to 8.8.2 would forward/proxy distributed requests using server credentials instead of original client credentials. This would result in incorrect authorization resolution on the receiving hosts.

CVE-2024-52012 [MEDIUM] CWE-23 CVE-2024-52012: Relative Path Traversal vulnerability in Apache Solr. Solr instances running on Windows are vulnera Relative Path Traversal vulnerability in Apache Solr. Solr instances running on Windows are vulnerable to arbitrary filepath write-access, due to a lack of input-sanitation in the "configset upload" API. Commonly known as a "zipslip", maliciously constructed ZIP files can use relative filepaths to write data to unanticipated parts of the filesystem.

CVE-2018-1308 [HIGH] CWE-611 CVE-2018-1308: This vulnerability in Apache Solr 1.2 to 6.6.2 and 7.0.0 to 7.2.1 relates to an XML external entity This vulnerability in Apache Solr 1.2 to 6.6.2 and 7.0.0 to 7.2.1 relates to an XML external entity expansion (XXE) in the `&dataConfig=` parameter of Solr's DataImportHandler. It can be used as XXE using file/ftp/http protocols in order to read arbitrary local files from the Solr server or the internal network.

CVE-2017-3164 [HIGH] CWE-918 CVE-2017-3164: Server Side Request Forgery in Apache Solr, versions 1.3 until 7.6 (inclusive). Since the "shards" p Server Side Request Forgery in Apache Solr, versions 1.3 until 7.6 (inclusive). Since the "shards" parameter does not have a corresponding whitelist mechanism, a remote attacker with access to the server could make Solr perform an HTTP GET request to any reachable URL.

CVE-2020-27223 [MEDIUM] CWE-407 CVE-2020-27223: In Eclipse Jetty 9.4.6.v20170531 to 9.4.36.v20210114 (inclusive), 10.0.0, and 11.0.0 when Jetty hand In Eclipse Jetty 9.4.6.v20170531 to 9.4.36.v20210114 (inclusive), 10.0.0, and 11.0.0 when Jetty handles a request containing multiple Accept headers with a large number of “quality” (i.e. q) parameters, the server may enter a denial of service (DoS) state due to high CPU usage processing those quality values, resulting in minutes of CPU time exhaust

CVE-2020-9492 [HIGH] CWE-863 CVE-2020-9492: In Apache Hadoop 3.2.0 to 3.2.1, 3.0.0-alpha1 to 3.1.3, and 2.0.0-alpha to 2.10.0, WebHDFS client mi In Apache Hadoop 3.2.0 to 3.2.1, 3.0.0-alpha1 to 3.1.3, and 2.0.0-alpha to 2.10.0, WebHDFS client might send SPNEGO authorization header to remote URL without proper verification.