CVE-2021-20190: SSRF

Published Jan 15, 2021
·
Updated

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.

Other sources

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.

A flaw was found in jackson-databind. 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.

jackson-databind 2.9.10.6 is affected by: SSRF,Deserialization vulnerability. The impact is: SSRF (remote). The component is: Use jackson-databind version 2.9.10.6 and create an ObjectMapper object mapper. When using mapper.enableDefaultTyping(), call mapper.readValue(payload="[\"javax.swing.JTextPane\",{\"page\":\"remoteaddr\"}], Object.class) can cause ssrf.

References:

https://github.com/FasterXML/jackson-databind/issues/2854

Red Hat

Affected Software

14 affected componentsFixes available
maven/com.fasterxml.jackson.core:jackson-databind<2.6.7.5
2.6.7.5
maven/com.fasterxml.jackson.core:jackson-databind>=2.7.0<2.9.10.7
2.9.10.7
fasterxml jackson-databind<2.6.7.5
fasterxml jackson-databind>=2.7.0<2.9.10.7
NetApp Active Iq Unified Manager Linux
NetApp Active Iq Unified Manager Windows
NetApp OnCommand API Services
NetApp OnCommand Insight
NetApp Service Level Manager
Apache nifi>=1.7.0<=1.12.1
Debian Debian Linux=9.0
Oracle Commerce Guided Search And Experience Manager=11.3.2
redhat/jackson-databind<2.9.10.7
2.9.10.7
IBM InfoSphere Data Architect<=9.2.1

Remediation

Information

The following conditions are needed for an exploit, we recommend avoiding all if possible: * Deserialization from sources you do not control * `enableDefaultTyping()` * `@JsonTypeInfo using `id.CLASS` or `id.MINIMAL_CLASS` * avoid javax.swing in the classpath

Event History

Jan 15, 2021
Data Sourced
via Red Hat·10:16 AM
DescriptionSeverityAffected Software
Jan 16, 2021
CVE Published
12:00 AM
Data Sourced
12:00 AM
RemedyDescriptionSeverityWeaknessAffected Software
Jan 19, 2021
CVE Published
via MITRE·04:27 PM
Data Sourced
via MITRE·04:27 PM
DescriptionWeakness
Data Sourced
via NVD·05:15 PM
RemedyDescriptionSeverityWeaknessAffected Software
Jan 20, 2021
Advisory Published
via GitHub·09:20 PM
Mar 4, 2026
Data Sourced
via IBM·12:00 AM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is CVE-2021-20190?

CVE-2021-20190 is a vulnerability in jackson-databind that mishandles the interaction between serialization gadgets and typing, posing a threat to data confidentiality, integrity, and system availability.

2

How severe is CVE-2021-20190?

CVE-2021-20190 has a severity score of 8.1 (high).

3

Which software is affected by CVE-2021-20190?

CVE-2021-20190 affects jackson-databind versions before 2.9.10.7 and 2.6.7.5.

4

How can I fix CVE-2021-20190?

To fix CVE-2021-20190, update jackson-databind to version 2.9.10.7 or higher.

5

Where can I find more information about CVE-2021-20190?

You can find more information about CVE-2021-20190 at the following references: [CVE-2021-20190](https://www.cve.org/CVERecord?id=CVE-2021-20190), [NVD](https://nvd.nist.gov/vuln/detail/CVE-2021-20190), [GitHub Advisory](https://github.com/advisories/GHSA-5949-rw7g-wx7w), [Red Hat Bugzilla](https://bugzilla.redhat.com/show_bug.cgi?id=1916633), [Red Hat Security Advisory](https://access.redhat.com/errata/RHSA-2021:1515)

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