{"id":"CVE-2020-13956","title":"Apache HttpClient versions prior to version 4.5.13 and 5.0.3 can misinterpret malformed authority component in request URIs passed to the library as java.net.URI object and pick the wrong target host for request execution.","summary":"Apache HttpClient versions prior to version 4.5.13 and 5.0.3 can misinterpret malformed authority component in request URIs passed to the library as java.net.URI object and pick the wrong target host for request execution.","severity":"medium","cvss":5.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","cwe":["CWE-20"],"vendor":"apache","product":"httpclient","affected":["httpclient < 4.5.13","httpclient >= 5.0.0, < 5.0.3","quarkus < 1.7.6","data_integrator = 12.2.1.3.0","data_integrator = 12.2.1.4.0","jd_edwards_enterpriseone_orchestrator < 9.2.6.0","jd_edwards_enterpriseone_tools < 9.2.6.0","nosql_database < 20.3","peoplesoft_enterprise_peopletools = 8.57","peoplesoft_enterprise_peopletools = 8.58","peoplesoft_enterprise_pt_peopletools = 8.57","peoplesoft_enterprise_pt_peopletools = 8.58","peoplesoft_enterprise_pt_peopletools = 8.59","primavera_unifier >= 17.7, <= 17.12","primavera_unifier = 16.1","primavera_unifier = 16.2","primavera_unifier = 18.8","primavera_unifier = 19.12","primavera_unifier = 20.12","retail_customer_management_and_segmentation_foundation >= 16.0, <= 19.0","spatial_studio < 20.1.1","sql_developer < 20.4.1.407.0006","active_iq_unified_manager","snapcenter","commerce_guided_search = 11.3.2","communications_cloud_native_core_service_communication_proxy = 1.14.0","sql_developer < 21.99","weblogic_server = 12.2.1.4.0","weblogic_server = 14.1.1.0.0"],"patched":["httpclient 5.0.3","quarkus 1.7.6","jd_edwards_enterpriseone_orchestrator 9.2.6.0","jd_edwards_enterpriseone_tools 9.2.6.0","nosql_database 20.3","spatial_studio 20.1.1","sql_developer 21.99"],"published":"2020-12-02","updated":"2026-10-08","sourceUpdated":"2026-10-08T19:16:54.573","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2020-13956","references":[{"url":"https://lists.apache.org/thread.html/r03bbc318c81be21f5c8a9b85e34f2ecc741aa804a8e43b0ef2c37749%40%3Cissues.maven.apache.org%3E","label":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/r043a75acdeb52b15dd5e9524cdadef4202e6a5228644206acf9363f9%40%3Cdev.hive.apache.org%3E","label":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/r06cf3ca5c8ceb94b39cd24a73d4e96153b485a7dac88444dd876accb%40%3Cissues.drill.apache.org%3E","label":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/r0a75b8f0f72f3e18442dc56d33f3827b905f2fe5b7ba48997436f5d1%40%3Cissues.solr.apache.org%3E","label":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/r0bebe6f9808ac7bdf572873b4fa96a29c6398c90dab29f131f3ebffe%40%3Cissues.solr.apache.org%3E","label":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/r12cb62751b35bdcda0ae2a08b67877d665a1f4d41eee0fa7367169e0%40%3Cdev.ranger.apache.org%3E","label":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/r132e4c6a560cfc519caa1aaee63bdd4036327610eadbd89f76dd5457%40%3Cdev.creadur.apache.org%3E","label":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/r2835543ef0f91adcc47da72389b816e36936f584c7be584d2314fac3%40%3Cissues.lucene.apache.org%3E","label":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/r2a03dc210231d7e852ef73015f71792ac0fcaca6cccc024c522ef17d%40%3Ccommits.creadur.apache.org%3E","label":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/r2dc7930b43eadc78220d269b79e13ecd387e4bee52db67b2f47d4303%40%3Cgitbox.hive.apache.org%3E","label":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/r34178ab6ef106bc940665fd3f4ba5026fac3603b3fa2aefafa0b619d%40%3Cdev.ranger.apache.org%3E","label":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/r34efec51cb817397ccf9f86e25a75676d435ba5f83ee7b2eabdad707%40%3Ccommits.creadur.apache.org%3E","label":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/r3cecd59fba74404cbf4eb430135e1080897fb376f111406a78bed13a%40%3Cissues.lucene.apache.org%3E","label":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/r3f740e4c38bba1face49078aa5cbeeb558c27be601cc9712ad2dcd1e%40%3Ccommits.creadur.apache.org%3E","label":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/r4850b3fbaea02fde2886e461005e4af8d37c80a48b3ce2a6edca0e30%40%3Cissues.solr.apache.org%3E","label":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/r549ac8c159bf0c568c19670bedeb8d7c0074beded951d34b1c1d0d05%40%3Cdev.drill.apache.org%3E","label":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/r55b2a1d1e9b1ec9db792b93da8f0f99a4fd5a5310b02673359d9b4d1%40%3Cdev.drill.apache.org%3E","label":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/r5b55f65c123a7481104d663a915ec45a0d103e6aaa03f42ed1c07a89%40%3Cdev.jackrabbit.apache.org%3E","label":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/r5de3d3808e7b5028df966e45115e006456c4e8931dc1e29036f17927%40%3Cissues.solr.apache.org%3E","label":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/r5fec9c1d67f928179adf484b01e7becd7c0a6fdfe3a08f92ea743b90%40%3Cissues.hive.apache.org%3E","label":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/r63296c45d5d84447babaf39bd1487329d8a80d8d563e67a4b6f3d8a7%40%3Cdev.ranger.apache.org%3E","label":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/r69a94e2f302d1b778bdfefe90fcb4b8c50b226438c3c8c1d0de85a19%40%3Cdev.ranger.apache.org%3E","label":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/r6a3cda38d050ebe13c1bc9a28d0a8ec38945095d07eca49046bcb89f%40%3Cissues.solr.apache.org%3E","label":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/r6d672b46622842e565e00f6ef6bef83eb55d8792aac2bee75bff9a2a%40%3Cissues.lucene.apache.org%3E","label":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/r6dab7da30f8bf075f79ee189e33b45a197502e2676481bb8787fc0d7%40%3Cdev.hc.apache.org%3E","label":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/r6eb2dae157dbc9af1f30d1f64e9c60d4ebef618f3dce4a0e32d6ea4d%40%3Ccommits.drill.apache.org%3E","label":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/r70c429923100c5a4fae8e5bc71c8a2d39af3de4888f50a0ac3755e6f%40%3Ccommits.creadur.apache.org%3E","label":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/r87ddc09295c27f25471269ad0a79433a91224045988b88f0413a97ec%40%3Cissues.bookkeeper.apache.org%3E","label":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/r8aa1e5c343b89aec5b69961471950e862f15246cb6392910161c389b%40%3Cissues.maven.apache.org%3E","label":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Overview\n\nApache HttpClient versions prior to version 4.5.13 and 5.0.3 can misinterpret malformed authority component in request URIs passed to the library as java.net.URI object and pick the wrong target host for request execution.\n\n## Affected\n\n- `httpclient < 4.5.13`\n- `httpclient >= 5.0.0, < 5.0.3`\n- `quarkus < 1.7.6`\n- `data_integrator = 12.2.1.3.0`\n- `data_integrator = 12.2.1.4.0`\n- `jd_edwards_enterpriseone_orchestrator < 9.2.6.0`\n- `jd_edwards_enterpriseone_tools < 9.2.6.0`\n- `nosql_database < 20.3`\n- `peoplesoft_enterprise_peopletools = 8.57`\n- `peoplesoft_enterprise_peopletools = 8.58`\n- `peoplesoft_enterprise_pt_peopletools = 8.57`\n- `peoplesoft_enterprise_pt_peopletools = 8.58`\n- `peoplesoft_enterprise_pt_peopletools = 8.59`\n- `primavera_unifier >= 17.7, <= 17.12`\n- `primavera_unifier = 16.1`\n- `primavera_unifier = 16.2`\n- `primavera_unifier = 18.8`\n- `primavera_unifier = 19.12`\n- `primavera_unifier = 20.12`\n- `retail_customer_management_and_segmentation_foundation >= 16.0, <= 19.0`\n- `spatial_studio < 20.1.1`\n- `sql_developer < 20.4.1.407.0006`\n- `active_iq_unified_manager`\n- `snapcenter`\n- `commerce_guided_search = 11.3.2`\n- `communications_cloud_native_core_service_communication_proxy = 1.14.0`\n- `sql_developer < 21.99`\n- `weblogic_server = 12.2.1.4.0`\n- `weblogic_server = 14.1.1.0.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `httpclient 5.0.3`\n- `quarkus 1.7.6`\n- `jd_edwards_enterpriseone_orchestrator 9.2.6.0`\n- `jd_edwards_enterpriseone_tools 9.2.6.0`\n- `nosql_database 20.3`\n- `spatial_studio 20.1.1`\n- `sql_developer 21.99`","depth":"sunlit","depthScore":31,"depthScoreParts":{"impact":29.2,"likelihood":1.8,"exploitation":0,"ransomware":0},"changes":[]}