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CVE-2021-20190: Deserialization of untrusted data in jackson-databind

January 20, 2021 (updated March 15, 2024)

A flaw was found in jackson-databind before 2.9.10.7 and 2.6.7.5. FasterXML mishandles the interaction between serialization gadgets and typing. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

References

  • bugzilla.redhat.com/show_bug.cgi?id=1916633
  • github.com/FasterXML/jackson-databind
  • github.com/FasterXML/jackson-databind/commit/08fbfacf89a4a4c026a6227a1b470ab7a13e2e88
  • github.com/FasterXML/jackson-databind/commit/7dbf51bf78d157098074a20bd9da39bd48c18e4a
  • github.com/FasterXML/jackson-databind/issues/2854
  • github.com/advisories/GHSA-5949-rw7g-wx7w
  • lists.apache.org/thread.html/r380e9257bacb8551ee6fcf2c59890ae9477b2c78e553fa9ea08e9d9a@%3Ccommits.nifi.apache.org%3E
  • lists.debian.org/debian-lts-announce/2021/04/msg00025.html
  • nvd.nist.gov/vuln/detail/CVE-2021-20190
  • security.netapp.com/advisory/ntap-20210219-0008
  • www.oracle.com//security-alerts/cpujul2021.html

Code Behaviors & Features

Detect and mitigate CVE-2021-20190 with GitLab Dependency Scanning

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Affected versions

All versions before 2.6.7.5, all versions starting from 2.7.0 before 2.9.10.7

Fixed versions

  • 2.9.10.7
  • 2.6.7.5

Solution

Upgrade to versions 2.6.7.5, 2.9.10.7 or above.

Impact 8.1 HIGH

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

Learn more about CVSS

Weakness

  • CWE-502: Deserialization of Untrusted Data

Source file

maven/com.fasterxml.jackson.core/jackson-databind/CVE-2021-20190.yml

Spotted a mistake? Edit the file on GitLab.

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