CVE-2020-13956

Description

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.

5.3

CVSS

Severity: Medium

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.69% Top 30%

Vendor Advisory apache.org

Affected: n/a Apache HttpClient

References

Link	Tags
https://lists.apache.org/thread.html/r6dab7da30f8bf075f79ee189e33b45a197502e2676481bb8787fc0d7%40%3Cdev.hc.apache.org%3E	mailing list vendor advisory
https://lists.apache.org/thread.html/rf7ca60f78f05b772cc07d27e31bcd112f9910a05caf9095e38ee150f%40%3Cdev.ranger.apache.org%3E	mailing list
https://lists.apache.org/thread.html/rcced7ed3237c29cd19c1e9bf465d0038b8b2e967b99fc283db7ca553%40%3Cdev.ranger.apache.org%3E	mailing list
https://lists.apache.org/thread.html/r63296c45d5d84447babaf39bd1487329d8a80d8d563e67a4b6f3d8a7%40%3Cdev.ranger.apache.org%3E	mailing list
https://lists.apache.org/thread.html/r12cb62751b35bdcda0ae2a08b67877d665a1f4d41eee0fa7367169e0%40%3Cdev.ranger.apache.org%3E	mailing list
https://lists.apache.org/thread.html/rd0e44e8ef71eeaaa3cf3d1b8b41eb25894372e2995ec908ce7624d26%40%3Ccommits.pulsar.apache.org%3E	mailing list
https://lists.apache.org/thread.html/r34178ab6ef106bc940665fd3f4ba5026fac3603b3fa2aefafa0b619d%40%3Cdev.ranger.apache.org%3E	mailing list
https://lists.apache.org/thread.html/rb725052404fabffbe093c83b2c46f3f87e12c3193a82379afbc529f8%40%3Csolr-user.lucene.apache.org%3E	mailing list
https://lists.apache.org/thread.html/rb33212dab7beccaf1ffef9b88610047c644f644c7a0ebdc44d77e381%40%3Ccommits.turbine.apache.org%3E	mailing list
https://lists.apache.org/thread.html/rfc00884c7b7ca878297bffe45fcb742c362b00b26ba37070706d44c3%40%3Cissues.hive.apache.org%3E	mailing list
https://lists.apache.org/thread.html/r5fec9c1d67f928179adf484b01e7becd7c0a6fdfe3a08f92ea743b90%40%3Cissues.hive.apache.org%3E	mailing list
https://lists.apache.org/thread.html/r2dc7930b43eadc78220d269b79e13ecd387e4bee52db67b2f47d4303%40%3Cgitbox.hive.apache.org%3E	mailing list
https://lists.apache.org/thread.html/r043a75acdeb52b15dd5e9524cdadef4202e6a5228644206acf9363f9%40%3Cdev.hive.apache.org%3E	mailing list
https://lists.apache.org/thread.html/rd5ab56beb2ac6879f6ab427bc4e5f7691aed8362d17b713f61779858%40%3Cissues.hive.apache.org%3E	mailing list
https://lists.apache.org/thread.html/rcd9ad5dda60c82ab0d0c9bd3e9cb1dc740804451fc20c7f451ef5cc4%40%3Cgitbox.hive.apache.org%3E	mailing list
https://lists.apache.org/thread.html/re504acd4d63b8df2a7353658f45c9a3137e5f80e41cf7de50058b2c1%40%3Cissues.solr.apache.org%3E	mailing list
https://lists.apache.org/thread.html/r5de3d3808e7b5028df966e45115e006456c4e8931dc1e29036f17927%40%3Cissues.solr.apache.org%3E	mailing list
https://lists.apache.org/thread.html/rae14ae25ff4a60251e3ba2629c082c5ba3851dfd4d21218b99b56652%40%3Cissues.solr.apache.org%3E	mailing list
https://lists.apache.org/thread.html/r03bbc318c81be21f5c8a9b85e34f2ecc741aa804a8e43b0ef2c37749%40%3Cissues.maven.apache.org%3E	mailing list
https://lists.apache.org/thread.html/ra539f20ef0fb0c27ee39945b5f56bf162e5c13d1c60f7344dab8de3b%40%3Cissues.maven.apache.org%3E	mailing list
https://lists.apache.org/thread.html/r8aa1e5c343b89aec5b69961471950e862f15246cb6392910161c389b%40%3Cissues.maven.apache.org%3E	mailing list
https://lists.apache.org/thread.html/r06cf3ca5c8ceb94b39cd24a73d4e96153b485a7dac88444dd876accb%40%3Cissues.drill.apache.org%3E	mailing list
https://lists.apache.org/thread.html/rb4ba262d6f08ab9cf8b1ebbcd9b00b0368ffe90dad7ad7918b4b56fc%40%3Cdev.drill.apache.org%3E	mailing list
https://lists.apache.org/thread.html/r55b2a1d1e9b1ec9db792b93da8f0f99a4fd5a5310b02673359d9b4d1%40%3Cdev.drill.apache.org%3E	mailing list
https://lists.apache.org/thread.html/rea3dbf633dde5008d38bf6600a3738b9216e733e03f9ff7becf79625%40%3Cissues.drill.apache.org%3E	mailing list
https://lists.apache.org/thread.html/rc3739e0ad4bcf1888c6925233bfc37dd71156bbc8416604833095c42%40%3Cdev.drill.apache.org%3E	mailing list
https://lists.apache.org/thread.html/r9e52a6c72c8365000ecd035e48cc9fee5a677a150350d4420c46443d%40%3Cdev.drill.apache.org%3E	mailing list
https://lists.apache.org/thread.html/rad6222134183046f3928f733bf680919e0c390739bfbfe6c90049673%40%3Cissues.drill.apache.org%3E	mailing list
https://lists.apache.org/thread.html/r549ac8c159bf0c568c19670bedeb8d7c0074beded951d34b1c1d0d05%40%3Cdev.drill.apache.org%3E	mailing list
https://lists.apache.org/thread.html/r6eb2dae157dbc9af1f30d1f64e9c60d4ebef618f3dce4a0e32d6ea4d%40%3Ccommits.drill.apache.org%3E	mailing list
https://lists.apache.org/thread.html/reef569c2419705754a3acf42b5f19b2a158153cef0e448158bc54917%40%3Cdev.drill.apache.org%3E	mailing list
https://lists.apache.org/thread.html/r3f740e4c38bba1face49078aa5cbeeb558c27be601cc9712ad2dcd1e%40%3Ccommits.creadur.apache.org%3E	mailing list
https://lists.apache.org/thread.html/rfb35f6db9ba1f1e061b63769a4eff5abadcc254ebfefc280e5a0dcf1%40%3Ccommits.creadur.apache.org%3E	mailing list
https://lists.apache.org/thread.html/r2a03dc210231d7e852ef73015f71792ac0fcaca6cccc024c522ef17d%40%3Ccommits.creadur.apache.org%3E	mailing list
https://lists.apache.org/thread.html/r34efec51cb817397ccf9f86e25a75676d435ba5f83ee7b2eabdad707%40%3Ccommits.creadur.apache.org%3E	mailing list
https://lists.apache.org/thread.html/r70c429923100c5a4fae8e5bc71c8a2d39af3de4888f50a0ac3755e6f%40%3Ccommits.creadur.apache.org%3E	mailing list
https://www.oracle.com/security-alerts/cpuApr2021.html	third party advisory patch
https://lists.apache.org/thread.html/rc990e2462ec32b09523deafb2c73606208599e196fa2d7f50bdbc587%40%3Cissues.maven.apache.org%3E	mailing list
https://lists.apache.org/thread.html/r132e4c6a560cfc519caa1aaee63bdd4036327610eadbd89f76dd5457%40%3Cdev.creadur.apache.org%3E	mailing list
https://lists.apache.org/thread.html/r6a3cda38d050ebe13c1bc9a28d0a8ec38945095d07eca49046bcb89f%40%3Cissues.solr.apache.org%3E	mailing list
https://lists.apache.org/thread.html/rc505fee574fe8d18f9b0c655a4d120b0ae21bb6a73b96003e1d9be35%40%3Cissues.solr.apache.org%3E	mailing list
https://lists.apache.org/thread.html/r5b55f65c123a7481104d663a915ec45a0d103e6aaa03f42ed1c07a89%40%3Cdev.jackrabbit.apache.org%3E	mailing list
https://lists.apache.org/thread.html/rc0863892ccfd9fd0d0ae10091f24ee769fb39b8957fe4ebabfc11f17%40%3Cdev.jackrabbit.apache.org%3E	mailing list
https://www.oracle.com//security-alerts/cpujul2021.html	third party advisory patch
https://lists.apache.org/thread.html/rfbedcb586a1e7dfce87ee03c720e583fc2ceeafa05f35c542cecc624%40%3Cissues.solr.apache.org%3E	mailing list
https://lists.apache.org/thread.html/r87ddc09295c27f25471269ad0a79433a91224045988b88f0413a97ec%40%3Cissues.bookkeeper.apache.org%3E	mailing list
https://lists.apache.org/thread.html/rf03228972e56cb4a03e6d9558188c2938078cf3ceb23a3fead87c9ca%40%3Cissues.bookkeeper.apache.org%3E	mailing list
https://lists.apache.org/thread.html/r2835543ef0f91adcc47da72389b816e36936f584c7be584d2314fac3%40%3Cissues.lucene.apache.org%3E	mailing list
https://lists.apache.org/thread.html/rf43d17ed0d1fb4fb79036b582810ef60b18b1ef3add0d5dea825af1e%40%3Cissues.lucene.apache.org%3E	mailing list
https://lists.apache.org/thread.html/rc5c6ccb86d2afe46bbd4b71573f0448dc1f87bbcd5a0d8c7f8f904b2%40%3Cissues.lucene.apache.org%3E	mailing list
https://lists.apache.org/thread.html/r6d672b46622842e565e00f6ef6bef83eb55d8792aac2bee75bff9a2a%40%3Cissues.lucene.apache.org%3E	mailing list
https://lists.apache.org/thread.html/rf4db88c22e1be9eb60c7dc623d0528642c045fb196a24774ac2fa3a3%40%3Cissues.lucene.apache.org%3E	mailing list
https://lists.apache.org/thread.html/ree942561f4620313c75982a4e5f3b74fe6f7062b073210779648eec2%40%3Cissues.lucene.apache.org%3E	mailing list
https://lists.apache.org/thread.html/r3cecd59fba74404cbf4eb430135e1080897fb376f111406a78bed13a%40%3Cissues.lucene.apache.org%3E	mailing list
https://lists.apache.org/thread.html/r0bebe6f9808ac7bdf572873b4fa96a29c6398c90dab29f131f3ebffe%40%3Cissues.solr.apache.org%3E	mailing list
https://lists.apache.org/thread.html/r4850b3fbaea02fde2886e461005e4af8d37c80a48b3ce2a6edca0e30%40%3Cissues.solr.apache.org%3E	mailing list
https://lists.apache.org/thread.html/ra8bc6b61c5df301a6fe5a716315528ecd17ccb8a7f907e24a47a1a5e%40%3Cissues.lucene.apache.org%3E	mailing list
https://lists.apache.org/thread.html/r0a75b8f0f72f3e18442dc56d33f3827b905f2fe5b7ba48997436f5d1%40%3Cissues.solr.apache.org%3E	mailing list
https://www.oracle.com/security-alerts/cpuoct2021.html	third party advisory patch
https://lists.apache.org/thread.html/r69a94e2f302d1b778bdfefe90fcb4b8c50b226438c3c8c1d0de85a19%40%3Cdev.ranger.apache.org%3E	mailing list
https://www.oracle.com/security-alerts/cpujan2022.html	third party advisory
https://www.oracle.com/security-alerts/cpuapr2022.html	third party advisory patch
https://security.netapp.com/advisory/ntap-20220210-0002/	third party advisory

Frequently Asked Questions

What is the severity of CVE-2020-13956?: CVE-2020-13956 has been scored as a medium severity vulnerability.
How to fix CVE-2020-13956?: To fix CVE-2020-13956, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-13956 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2020-13956 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-13956?: CVE-2020-13956 affects n/a Apache HttpClient.