CVE-2020-36186
Unsafe Deserialization in jackson-databind
FasterXML jackson-databind 2.x before 2.9.10.8 mishandles the interaction between serialization gadgets and typing, related to org.apache.tomcat.dbcp.dbcp.datasources.PerUserPoolDataSource.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
FasterXML jackson-databind 2.x before 2.9.10.8 mishandles the interaction between serialization gadgets and typing, related to org.apache.tomcat.dbcp.dbcp.datasources.PerUserPoolDataSource.
- Record
CVE-2020-36186- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-502
- Updated
- 2026-11-02
CVE List No score
FasterXML jackson-databind 2.x before 2.9.10.8 mishandles the interaction between serialization gadgets and typing, related to org.apache.tomcat.dbcp.dbcp.datasources.PerUserPoolDataSource.
- Record
CVE-2020-36186- Updated
- 2026-11-02
EUVDEUVD-2021-2393 No score
FasterXML jackson-databind 2.x before 2.9.10.8 mishandles the interaction between serialization gadgets and typing, related to org.apache.tomcat.dbcp.dbcp.datasources.PerUserPoolDataSource.
- Record
EUVD-2021-2393- Updated
- 2026-11-02
GitHub AdvisoriesGHSA-v585-23hc-c647
Unsafe Deserialization in jackson-databind
FasterXML jackson-databind 2.x before 2.9.10.8 mishandles the interaction between serialization gadgets and typing, related to org.apache.tomcat.dbcp.dbcp.datasources.PerUserPoolDataSource.
- Record
GHSA-v585-23hc-c647- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-502
- Updated
- 2026-11-02
OSV
FasterXML jackson-databind 2.x before 2.9.10.8 mishandles the interaction between serialization gadgets and typing, related to org.apache.tomcat.dbcp.dbcp.datasources.PerUserPoolDataSource.
- Record
CVE-2020-36186- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2020-36186
FasterXML jackson-databind 2.x before 2.9.10.8 mishandles the interaction between serialization gadgets and typing, related to org.apache.tomcat.dbcp.dbcp.datasources.PerUserPoolDataSource.
- Record
DEBIAN-CVE-2020-36186- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Show 4 moreShow less
OSVGHSA-v585-23hc-c647
Unsafe Deserialization in jackson-databind
FasterXML jackson-databind 2.x before 2.9.10.8 mishandles the interaction between serialization gadgets and typing, related to org.apache.tomcat.dbcp.dbcp.datasources.PerUserPoolDataSource.
- Record
GHSA-v585-23hc-c647- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-502
- Updated
- 2026-11-02
OSVOESA-2021-1051
jackson-databind security update
The general-purpose data-binding functionality and tree-model for Jackson Data Processor. It builds on core streaming parser/generator package, and uses Jackson Annotations for configuration.
Security Fix(es):
FasterXML jackson-databind 2.x before 2.9.10.8 mishandles the interaction between serialization gadgets and typing, related to org.apache.tomcat.dbcp.dbcp2.cpdsadapter.DriverAdapterCPDS.(CVE-2020-36182)
FasterXML jackson-databind 2.x before 2.9.10.8 mishandles the interaction between serialization gadgets and typing, related to org.docx4j.org.apache.xalan.lib.sql.JNDIConnectionPool.(CVE-2020-36183)
FasterXML jackson-databind 2.x before 2.9.10.8 mishandles the interaction between serialization gadgets and typing, related to org.apache.tomcat.dbcp.dbcp.datasources.SharedPoolDataSource.(CVE-2020-36187)
FasterXML jackson-databind 2.x before 2.9.10.8 mishandles the interaction between serialization gadgets and typing, related to org.apache.tomcat.dbcp.dbcp.cpdsadapter.DriverAdapterCPDS.(CVE-2020-36181)
FasterXML jackson-databind 2.x before 2.9.10.8 mishandles the interaction between serialization gadgets and typing, related to org.apache.tomcat.dbcp.dbcp.datasources.PerUserPoolDataSource.(CVE-2020-36186)
FasterXML jackson-databind 2.x before 2.9.10.8 mishandles the interaction between serialization gadgets and typing, related to org.apache.commons.dbcp2.cpdsadapter.DriverAdapterCPDS.(CVE-2020-36180)
FasterXML jackson-databind 2.x before 2.9.10.8 mishandles the interaction between serialization gadgets and typing, related to com.newrelic.agent.deps.ch.qos.logback.core.db.JNDIConnectionSource.(CVE-2020-36188)
FasterXML jackson-databind 2.x before 2.9.10.8 mishandles the interaction between serialization gadgets and typing, related to org.apache.tomcat.dbcp.dbcp2.datasources.PerUserPoolDataSource.(CVE-2020-36184)
FasterXML jackson-databind 2.x before 2.9.10.8 mishandles the interaction between serialization gadgets and typing, related to oadd.org.apache.commons.dbcp.cpdsadapter.DriverAdapterCPDS.(CVE-2020-36179)
FasterXML jackson-databind 2.x before 2.9.10.8 mishandles the interaction between serialization gadgets and typing, related to com.newrelic.agent.deps.ch.qos.logback.core.db.DriverManagerConnectionSource.(CVE-2020-36189)
A flaw was found in jackson-databind before 2.9.10.7. 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.(CVE-2021-20190)
- Record
OESA-2021-1051- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2020-36186
FasterXML jackson-databind 2.x before 2.9.10.8 mishandles the interaction between serialization gadgets and typing, related to org.apache.tomcat.dbcp.dbcp.datasources.PerUserPoolDataSource.
- Record
UBUNTU-CVE-2020-36186- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVROOT-APP-MAVEN-CVE-2020-36186 No score
CVE-2020-36186 in com.fasterxml.jackson.core:jackson-databind - Patched by Root
Root has patched CVE-2020-36186 in the com.fasterxml.jackson.core:jackson-databind package for Root:Maven. Multiple fixed versions available.
- Record
ROOT-APP-MAVEN-CVE-2020-36186- Updated
- 2026-11-02
Affected products
- fasterxml jackson-databind
- debian linux
- netapp cloud backup
- netapp service level manager
- oracle agile product lifecycle management
- oracle application testing suite
- oracle autovue for agile product lifecycle management
- oracle banking corporate lending process management
- oracle banking credit facilities process management
- oracle banking extensibility workbench
- oracle banking supply chain finance
- oracle banking treasury management
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- oracle banking virtual account management
- oracle blockchain platform
- oracle commerce platform
- oracle communications billing and revenue management
- oracle communications cloud native core policy
- oracle communications cloud native core unified data repository
- oracle communications convergent charging controller
- oracle communications diameter signaling route
- oracle communications element manager
- oracle communications evolved communications application server
- oracle communications instant messaging server
- oracle communications network charging and control
- oracle communications offline mediation controller
- oracle communications policy management
- oracle communications pricing design center
- oracle communications services gatekeeper
- oracle communications session report manager
- oracle communications session route manager
- oracle communications unified inventory management
- oracle data integrator
- oracle documaker
- oracle goldengate application adapters
- oracle insurance policy administration
- oracle insurance rules palette
- oracle jd edwards enterpriseone orchestrator
- oracle jd edwards enterpriseone tools
- oracle primavera gateway
- oracle primavera unifier
- oracle retail customer management and segmentation foundation
- oracle retail merchandising system
- oracle retail service backbone
- oracle retail xstore point of service
- oracle webcenter portal
Affected packages
| Package | Affected | Fixed |
|---|---|---|
com.fasterxml.jackson.core:jackson-databindMaven |
2.0.0 up to 2.9.10.8 | 2.9.10.8 |
jackson-databindDebian:12 |
before 2.12.1-1 | 2.12.1-1 |
jackson-databindDebian:13 |
before 2.12.1-1 | 2.12.1-1 |
jackson-databindDebian:14 |
before 2.12.1-1 | 2.12.1-1 |
jackson-databindDebian:9 From an advisory covering 17 CVEs |
before 2.8.6-1+deb9u9, plus listed versions 2.8.6-12.8.6-1+deb9u12.8.6-1+deb9u22.8.6-1+deb9u32.8.6-1+deb9u4 Show 4 moreShow less2.8.6-1+deb9u52.8.6-1+deb9u62.8.6-1+deb9u72.8.6-1+deb9u8 |
2.8.6-1+deb9u9 |
com.fasterxml.jackson.core:jackson-databindMaven |
2.0.0 up to 2.9.10.8, plus listed versions 2.0.12.0.22.0.42.0.52.0.6 Show 45 moreShow less2.1.02.1.12.1.22.1.32.1.42.1.52.2.02.2.0-rc12.2.12.2.22.2.32.2.42.3.02.3.0-rc12.3.12.3.22.3.32.3.42.3.52.4.02.4.0-rc12.4.0-rc22.4.0-rc32.4.12.4.1.12.4.1.22.4.1.32.4.22.4.32.4.42.4.52.4.5.12.4.62.4.6.12.5.02.5.0-rc12.5.12.5.22.5.32.5.42.5.52.6.02.6.0-rc12.6.0-rc22.6.0-rc3 |
2.9.10.8 |
jackson-databindopenEuler:20.03-LTS-SP1 From an advisory covering 11 CVEs |
before 2.9.8-7.oe1 | 2.9.8-7.oe1 |
com.fasterxml.jackson.core:jackson-databindRoot:Maven |
before 2.3.1-aikido.3 | 2.3.1-aikido.32.3.1-aikido.42.3.1-aikido.52.3.1-aikido.6 |
io.root.com.fasterxml.jackson.core:jackson-databindRoot:Maven |
before 2.5.2-root.io.1 | 2.5.2-root.io.12.5.2-root.io.22.3.1-root.io.32.3.1-root.io.42.3.1-root.io.52.3.1-root.io.6 |
jackson-databindUbuntu:Pro:14.04:LTS |
All versions, plus listed versions 2.2.2-12.2.2-1ubuntu0.1~esm1 |
None known |
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| Package | Affected | Fixed |
|---|---|---|
jackson-databindUbuntu:Pro:16.04:LTS |
All versions, plus listed versions 2.4.2-22.4.2-32.4.2-3ubuntu0.1~esm12.4.2-3ubuntu0.1~esm2 |
None known |
jackson-databindUbuntu:18.04:LTS |
All versions, plus listed versions 2.8.6-12.9.1-12.9.4-12.9.5-12.9.8-1~18.04 |
None known |
jackson-databindUbuntu:20.04:LTS |
All versions, plus listed versions 2.9.9.3-12.10.0-22.10.1-12.10.2-1 |
None known |
jackson-databindUbuntu:22.04:LTS |
All versions, plus listed versions 2.12.1-12.12.5-12.13.0-12.13.0-2 |
None known |
jackson-databindUbuntu:24.04:LTS |
All versions, plus listed versions 2.14.0-1 |
None known |
jackson-databindUbuntu:25.10 |
All versions, plus listed versions 2.14.0+ds-1 |
None known |
jackson-databindUbuntu:26.10 |
All versions, plus listed versions 2.14.0+ds-1build12.14.0+ds-2 |
None known |
jackson-databindUbuntu:26.04:LTS |
All versions, plus listed versions 2.14.0+ds-12.14.0+ds-1build1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-36186 is a high vulnerability (CVSS 8.1) in Fasterxml Jackson-databind, published January 6, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.24%, the 91st percentile. Fixed in com.fasterxml.jackson.core:jackson-databind 2.9.10.8.
References
cowtowncoder.medium.com/on-jackson-cves-dont-panic-here-is-what-you-need-to-know-54cd0d6e8062
github.com/FasterXML/jackson-databind/issues/2997
lists.debian.org/debian-lts-announce/2021/04/msg00025.html
oracle.com/security-alerts/cpuApr2021.html
security.netapp.com/advisory/ntap-20210205-0005
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nvd.nist.gov/vuln/detail/CVE-2020-36186
security-tracker.debian.org/tracker/CVE-2020-36186
openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2021-1051
ubuntu.com/security/CVE-2020-36186
cve.org/CVERecord?id=CVE-2020-36186
Left out here: 80 versions. The JSON record has them.