VulnerabilityModified

CVE-2020-9546

FasterXML jackson-databind 2.x before 2.9.10.4 mishandles the interaction between serialization gadgets and typing, related to org.apache.hadoop.shaded.com.zaxxer.hikari.HikariConfig (aka shaded hikari-config).

CRITICAL 9.8EPSS 4.58%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (4.58%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

CVSS 3.1: 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 4.58% probability · 92th percentile
Public exploits: None in Exploit-DB
CISA KEV: Not listed
Weakness: CWE-502
Affected: fasterxml/jackson-databind · netapp/active iq unified manager · debian/debian linux · oracle/agile product lifecycle management · oracle/autovue for agile product lifecycle management · oracle/banking digital experience · oracle/banking platform · oracle/communications calendar server · oracle/communications contacts server · oracle/communications diameter signaling router · oracle/communications element manager · oracle/communications evolved communications application server · oracle/communications instant messaging server · oracle/communications network charging and control · oracle/communications session report manager · oracle/communications session route manager · oracle/enterprise manager base platform · oracle/financial services analytical applications infrastructure · oracle/financial services institutional performance analytics · oracle/financial services price creation and discovery · +11 more
Source: cve@mitre.org

EPSS trend

EPSS 4.6% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

https://github.com/FasterXML/jackson-databind/issues/2631Patch, Third Party Advisory
https://lists.apache.org/thread.html/r35d30db00440ef63b791c4b7f7acb036e14d4a23afa2a249cb66c0fd%40%3Cissues.zookeeper.apache.org%3EIssue Tracking, Third Party Advisory
https://lists.apache.org/thread.html/r893a0104e50c1c2559eb9a5812add28ae8c3e5f43712947a9847ec18%40%3Cnotifications.zookeeper.apache.org%3EIssue Tracking, Third Party Advisory
https://lists.apache.org/thread.html/r9464a40d25c3ba1a55622db72f113eb494a889656962d098c70c5bb1%40%3Cdev.zookeeper.apache.org%3EThird Party Advisory
https://lists.apache.org/thread.html/r98c9b6e4c9e17792e2cd1ec3e4aa20b61a791939046d3f10888176bb%40%3Cissues.zookeeper.apache.org%3EIssue Tracking, Third Party Advisory
https://lists.apache.org/thread.html/rb6fecb5e96a6d61e175ff49f33f2713798dd05cf03067c169d195596%40%3Cissues.zookeeper.apache.org%3EIssue Tracking, Third Party Advisory
https://lists.apache.org/thread.html/rd5a4457be4623038c3989294429bc063eec433a2e55995d81591e2ca%40%3Cissues.zookeeper.apache.org%3EIssue Tracking, Third Party Advisory
https://lists.apache.org/thread.html/rdd49ab9565bec436a896bc00c4b9fc9dce1598e106c318524fbdfec6%40%3Cissues.zookeeper.apache.org%3EIssue Tracking, Third Party Advisory
https://lists.apache.org/thread.html/rdd4df698d5d8e635144d2994922bf0842e933809eae259521f3b5097%40%3Cissues.zookeeper.apache.org%3EIssue Tracking, Third Party Advisory
https://lists.apache.org/thread.html/rf1bbc0ea4a9f014cf94df9a12a6477d24a27f52741dbc87f2fd52ff2%40%3Cissues.geode.apache.org%3EIssue Tracking, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/03/msg00008.htmlMailing List, Third Party Advisory
https://medium.com/%40cowtowncoder/on-jackson-cves-dont-panic-here-is-what-you-need-to-know-54cd0d6e8062Third Party Advisory
https://security.netapp.com/advisory/ntap-20200904-0006/Third Party Advisory
https://www.oracle.com/security-alerts/cpujan2021.htmlPatch, Third Party Advisory
https://www.oracle.com/security-alerts/cpujul2020.htmlThird Party Advisory
https://www.oracle.com/security-alerts/cpuoct2020.htmlPatch, Third Party Advisory
https://www.oracle.com/security-alerts/cpuoct2021.htmlPatch, Third Party Advisory
https://github.com/FasterXML/jackson-databind/issues/2631Patch, Third Party Advisory
https://lists.apache.org/thread.html/r35d30db00440ef63b791c4b7f7acb036e14d4a23afa2a249cb66c0fd%40%3Cissues.zookeeper.apache.org%3EIssue Tracking, Third Party Advisory
https://lists.apache.org/thread.html/r893a0104e50c1c2559eb9a5812add28ae8c3e5f43712947a9847ec18%40%3Cnotifications.zookeeper.apache.org%3EIssue Tracking, Third Party Advisory
https://lists.apache.org/thread.html/r9464a40d25c3ba1a55622db72f113eb494a889656962d098c70c5bb1%40%3Cdev.zookeeper.apache.org%3EThird Party Advisory
https://lists.apache.org/thread.html/r98c9b6e4c9e17792e2cd1ec3e4aa20b61a791939046d3f10888176bb%40%3Cissues.zookeeper.apache.org%3EIssue Tracking, Third Party Advisory
https://lists.apache.org/thread.html/rb6fecb5e96a6d61e175ff49f33f2713798dd05cf03067c169d195596%40%3Cissues.zookeeper.apache.org%3EIssue Tracking, Third Party Advisory
https://lists.apache.org/thread.html/rd5a4457be4623038c3989294429bc063eec433a2e55995d81591e2ca%40%3Cissues.zookeeper.apache.org%3EIssue Tracking, Third Party Advisory
https://lists.apache.org/thread.html/rdd49ab9565bec436a896bc00c4b9fc9dce1598e106c318524fbdfec6%40%3Cissues.zookeeper.apache.org%3EIssue Tracking, Third Party Advisory
https://lists.apache.org/thread.html/rdd4df698d5d8e635144d2994922bf0842e933809eae259521f3b5097%40%3Cissues.zookeeper.apache.org%3EIssue Tracking, Third Party Advisory
https://lists.apache.org/thread.html/rf1bbc0ea4a9f014cf94df9a12a6477d24a27f52741dbc87f2fd52ff2%40%3Cissues.geode.apache.org%3EIssue Tracking, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/03/msg00008.htmlMailing List, Third Party Advisory
https://medium.com/%40cowtowncoder/on-jackson-cves-dont-panic-here-is-what-you-need-to-know-54cd0d6e8062Third Party Advisory
https://security.netapp.com/advisory/ntap-20200904-0006/Third Party Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.