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Vulnerability record · CVE-2018-21234 · published 21 May 2020

CVE-2018-21234: Jodd deserialization of untrusted data vulnerability

Jodd · Jodd

Jodd before 5.0.4 performs Deserialization of Untrusted JSON Data when setClassMetadataName is set.

9.8 CVSS 3.1 Critical EPSS 8.3% · top 5.3% CWE-502 · Deserialization of untrusted data
9.8CVSS 3.1 base score, v2 7.5
8.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
28References
17 Jun 2026Last modified by NVD

Description

Jodd before 5.0.4 performs Deserialization of Untrusted JSON Data when setClassMetadataName is set.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/oblac/jodd/commit/9bffc3913aeb8472c11bb543243004b4b4376f16 PatchThird Party Advisory
https://github.com/oblac/jodd/compare/v5.0.3...v5.0.4 Third Party Advisory
https://github.com/oblac/jodd/issues/628 Third Party Advisory
https://lists.apache.org/thread.html/r0bacc701ab7105500a0ab2769270d18f332cb379e6a62ec7553f3327%40%3Cissues.hive.apache.o
https://lists.apache.org/thread.html/r157d01c96a2c10e7ceb3e005f42c52cfe87b11dd018935e1c4277433%40%3Cgitbox.hive.apache.o
https://lists.apache.org/thread.html/r317aec95c436848233047af7ecb3ce04ce446eb6031f981aef50df0d%40%3Cdev.drill.apache.org
https://lists.apache.org/thread.html/r729bc1e0f367fe8a857ac8a14641dba284ac4cf5131edf483022cf59%40%3Cissues.hive.apache.o
https://lists.apache.org/thread.html/r965503b27d67a2d934e34fc1d088c9547d51d927c43b8b9bd9b7e695%40%3Cissues.hive.apache.o
https://lists.apache.org/thread.html/rc23200043872384e0fc48a4a4502f4c6b4b5ddc79ba4076414150d59%40%3Cissues.hive.apache.o
https://lists.apache.org/thread.html/rc85b650b4ad2c77d7c39c69824488e40dce6d0ebbb4204777d094375%40%3Cgitbox.hive.apache.o
https://lists.apache.org/thread.html/rd575d9877424a2d8776f5c2ff33bf3dc3382cd83f031d483f29c11ab%40%3Cissues.hive.apache.o
https://lists.apache.org/thread.html/rdbb99b43334b59d3d3478d360c87e3235ba22edb1de7d39019194347%40%3Cissues.hive.apache.o
https://lists.apache.org/thread.html/rdce006b282e56c5cc73cdf452c51c5097154d0503396d62f48abbeae%40%3Cgitbox.hive.apache.o
https://lists.apache.org/thread.html/rf458683390d6650b26a2c8ba8ad396e038e520ad1cc3f3f1e20514d9%40%3Cdev.hive.apache.org%
https://github.com/oblac/jodd/commit/9bffc3913aeb8472c11bb543243004b4b4376f16 PatchThird Party Advisory
https://github.com/oblac/jodd/compare/v5.0.3...v5.0.4 Third Party Advisory
https://github.com/oblac/jodd/issues/628 Third Party Advisory
https://lists.apache.org/thread.html/r0bacc701ab7105500a0ab2769270d18f332cb379e6a62ec7553f3327%40%3Cissues.hive.apache.o
https://lists.apache.org/thread.html/r157d01c96a2c10e7ceb3e005f42c52cfe87b11dd018935e1c4277433%40%3Cgitbox.hive.apache.o
https://lists.apache.org/thread.html/r317aec95c436848233047af7ecb3ce04ce446eb6031f981aef50df0d%40%3Cdev.drill.apache.org
https://lists.apache.org/thread.html/r729bc1e0f367fe8a857ac8a14641dba284ac4cf5131edf483022cf59%40%3Cissues.hive.apache.o
https://lists.apache.org/thread.html/r965503b27d67a2d934e34fc1d088c9547d51d927c43b8b9bd9b7e695%40%3Cissues.hive.apache.o
https://lists.apache.org/thread.html/rc23200043872384e0fc48a4a4502f4c6b4b5ddc79ba4076414150d59%40%3Cissues.hive.apache.o
https://lists.apache.org/thread.html/rc85b650b4ad2c77d7c39c69824488e40dce6d0ebbb4204777d094375%40%3Cgitbox.hive.apache.o
https://lists.apache.org/thread.html/rd575d9877424a2d8776f5c2ff33bf3dc3382cd83f031d483f29c11ab%40%3Cissues.hive.apache.o
https://lists.apache.org/thread.html/rdbb99b43334b59d3d3478d360c87e3235ba22edb1de7d39019194347%40%3Cissues.hive.apache.o
https://lists.apache.org/thread.html/rdce006b282e56c5cc73cdf452c51c5097154d0503396d62f48abbeae%40%3Cgitbox.hive.apache.o
https://lists.apache.org/thread.html/rf458683390d6650b26a2c8ba8ad396e038e520ad1cc3f3f1e20514d9%40%3Cdev.hive.apache.org%

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Source: NIST National Vulnerability Database (record CVE-2018-21234), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.