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.
Advisories
Source ID Title
Debian DLA Debian DLA DLA-2405-1 httpcomponents-client security update
Debian DSA Debian DSA DSA-4772-1 httpcomponents-client security update
EUVD EUVD EUVD-2021-1284 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.
Github GHSA Github GHSA GHSA-7r82-7xv7-xcpj Cross-site scripting in Apache HttpClient
Ubuntu USN Ubuntu USN USN-5239-1 HttpClient vulnerability
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

References
Link Providers
https://lists.apache.org/thread.html/r03bbc318c81be21f5c8a9b85e34f2ecc741aa804a8e43b0ef2c37749%40%3Cissues.maven.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r043a75acdeb52b15dd5e9524cdadef4202e6a5228644206acf9363f9%40%3Cdev.hive.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r06cf3ca5c8ceb94b39cd24a73d4e96153b485a7dac88444dd876accb%40%3Cissues.drill.apache.org%3E cve-icon cve-icon
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https://lists.apache.org/thread.html/r0bebe6f9808ac7bdf572873b4fa96a29c6398c90dab29f131f3ebffe%40%3Cissues.solr.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r12cb62751b35bdcda0ae2a08b67877d665a1f4d41eee0fa7367169e0%40%3Cdev.ranger.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r132e4c6a560cfc519caa1aaee63bdd4036327610eadbd89f76dd5457%40%3Cdev.creadur.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r2835543ef0f91adcc47da72389b816e36936f584c7be584d2314fac3%40%3Cissues.lucene.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r2a03dc210231d7e852ef73015f71792ac0fcaca6cccc024c522ef17d%40%3Ccommits.creadur.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r2dc7930b43eadc78220d269b79e13ecd387e4bee52db67b2f47d4303%40%3Cgitbox.hive.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r34178ab6ef106bc940665fd3f4ba5026fac3603b3fa2aefafa0b619d%40%3Cdev.ranger.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r34efec51cb817397ccf9f86e25a75676d435ba5f83ee7b2eabdad707%40%3Ccommits.creadur.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r3cecd59fba74404cbf4eb430135e1080897fb376f111406a78bed13a%40%3Cissues.lucene.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r3f740e4c38bba1face49078aa5cbeeb558c27be601cc9712ad2dcd1e%40%3Ccommits.creadur.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r4850b3fbaea02fde2886e461005e4af8d37c80a48b3ce2a6edca0e30%40%3Cissues.solr.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r549ac8c159bf0c568c19670bedeb8d7c0074beded951d34b1c1d0d05%40%3Cdev.drill.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r55b2a1d1e9b1ec9db792b93da8f0f99a4fd5a5310b02673359d9b4d1%40%3Cdev.drill.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r5b55f65c123a7481104d663a915ec45a0d103e6aaa03f42ed1c07a89%40%3Cdev.jackrabbit.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r5de3d3808e7b5028df966e45115e006456c4e8931dc1e29036f17927%40%3Cissues.solr.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r5fec9c1d67f928179adf484b01e7becd7c0a6fdfe3a08f92ea743b90%40%3Cissues.hive.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r63296c45d5d84447babaf39bd1487329d8a80d8d563e67a4b6f3d8a7%40%3Cdev.ranger.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r69a94e2f302d1b778bdfefe90fcb4b8c50b226438c3c8c1d0de85a19%40%3Cdev.ranger.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r6a3cda38d050ebe13c1bc9a28d0a8ec38945095d07eca49046bcb89f%40%3Cissues.solr.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r6d672b46622842e565e00f6ef6bef83eb55d8792aac2bee75bff9a2a%40%3Cissues.lucene.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r6dab7da30f8bf075f79ee189e33b45a197502e2676481bb8787fc0d7%40%3Cdev.hc.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r6eb2dae157dbc9af1f30d1f64e9c60d4ebef618f3dce4a0e32d6ea4d%40%3Ccommits.drill.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r70c429923100c5a4fae8e5bc71c8a2d39af3de4888f50a0ac3755e6f%40%3Ccommits.creadur.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r87ddc09295c27f25471269ad0a79433a91224045988b88f0413a97ec%40%3Cissues.bookkeeper.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r8aa1e5c343b89aec5b69961471950e862f15246cb6392910161c389b%40%3Cissues.maven.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r9e52a6c72c8365000ecd035e48cc9fee5a677a150350d4420c46443d%40%3Cdev.drill.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/ra539f20ef0fb0c27ee39945b5f56bf162e5c13d1c60f7344dab8de3b%40%3Cissues.maven.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/ra8bc6b61c5df301a6fe5a716315528ecd17ccb8a7f907e24a47a1a5e%40%3Cissues.lucene.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rad6222134183046f3928f733bf680919e0c390739bfbfe6c90049673%40%3Cissues.drill.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rae14ae25ff4a60251e3ba2629c082c5ba3851dfd4d21218b99b56652%40%3Cissues.solr.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rb33212dab7beccaf1ffef9b88610047c644f644c7a0ebdc44d77e381%40%3Ccommits.turbine.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rb4ba262d6f08ab9cf8b1ebbcd9b00b0368ffe90dad7ad7918b4b56fc%40%3Cdev.drill.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rb725052404fabffbe093c83b2c46f3f87e12c3193a82379afbc529f8%40%3Csolr-user.lucene.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rc0863892ccfd9fd0d0ae10091f24ee769fb39b8957fe4ebabfc11f17%40%3Cdev.jackrabbit.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rc3739e0ad4bcf1888c6925233bfc37dd71156bbc8416604833095c42%40%3Cdev.drill.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rc505fee574fe8d18f9b0c655a4d120b0ae21bb6a73b96003e1d9be35%40%3Cissues.solr.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rc5c6ccb86d2afe46bbd4b71573f0448dc1f87bbcd5a0d8c7f8f904b2%40%3Cissues.lucene.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rc990e2462ec32b09523deafb2c73606208599e196fa2d7f50bdbc587%40%3Cissues.maven.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rcced7ed3237c29cd19c1e9bf465d0038b8b2e967b99fc283db7ca553%40%3Cdev.ranger.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rcd9ad5dda60c82ab0d0c9bd3e9cb1dc740804451fc20c7f451ef5cc4%40%3Cgitbox.hive.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rd0e44e8ef71eeaaa3cf3d1b8b41eb25894372e2995ec908ce7624d26%40%3Ccommits.pulsar.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rd5ab56beb2ac6879f6ab427bc4e5f7691aed8362d17b713f61779858%40%3Cissues.hive.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/re504acd4d63b8df2a7353658f45c9a3137e5f80e41cf7de50058b2c1%40%3Cissues.solr.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rea3dbf633dde5008d38bf6600a3738b9216e733e03f9ff7becf79625%40%3Cissues.drill.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/ree942561f4620313c75982a4e5f3b74fe6f7062b073210779648eec2%40%3Cissues.lucene.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/reef569c2419705754a3acf42b5f19b2a158153cef0e448158bc54917%40%3Cdev.drill.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rf03228972e56cb4a03e6d9558188c2938078cf3ceb23a3fead87c9ca%40%3Cissues.bookkeeper.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rf43d17ed0d1fb4fb79036b582810ef60b18b1ef3add0d5dea825af1e%40%3Cissues.lucene.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rf4db88c22e1be9eb60c7dc623d0528642c045fb196a24774ac2fa3a3%40%3Cissues.lucene.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rf7ca60f78f05b772cc07d27e31bcd112f9910a05caf9095e38ee150f%40%3Cdev.ranger.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rfb35f6db9ba1f1e061b63769a4eff5abadcc254ebfefc280e5a0dcf1%40%3Ccommits.creadur.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rfbedcb586a1e7dfce87ee03c720e583fc2ceeafa05f35c542cecc624%40%3Cissues.solr.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rfc00884c7b7ca878297bffe45fcb742c362b00b26ba37070706d44c3%40%3Cissues.hive.apache.org%3E cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2020-13956 cve-icon
https://priyankn.github.io/2021-02-26-CVE-2020-13956/ cve-icon
https://security.netapp.com/advisory/ntap-20220210-0002/ cve-icon cve-icon
https://www.cve.org/CVERecord?id=CVE-2020-13956 cve-icon
https://www.openwall.com/lists/oss-security/2020/10/08/4 cve-icon
https://www.oracle.com//security-alerts/cpujul2021.html cve-icon cve-icon
https://www.oracle.com/security-alerts/cpuApr2021.html cve-icon cve-icon
https://www.oracle.com/security-alerts/cpuapr2022.html cve-icon cve-icon
https://www.oracle.com/security-alerts/cpujan2022.html cve-icon cve-icon
https://www.oracle.com/security-alerts/cpuoct2021.html cve-icon cve-icon
History

Mon, 01 Dec 2025 16:30:00 +0000

Type Values Removed Values Added
References

cve-icon MITRE

Status: PUBLISHED

Assigner: apache

Published:

Updated: 2025-12-01T15:45:49.435Z

Reserved: 2020-06-08T00:00:00.000Z

Link: CVE-2020-13956

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-12-02T17:15:14.547

Modified: 2025-12-01T16:15:48.177

Link: CVE-2020-13956

cve-icon Redhat

Severity : Moderate

Publid Date: 2020-10-08T00:00:00Z

Links: CVE-2020-13956 - Bugzilla

cve-icon OpenCVE Enrichment

No data.