CVE-2020-10673: jackson-databind mishandles the interaction between serialization gadgets and typing
Summary
CVE-2020-10673: jackson-databind mishandles the interaction between serialization gadgets and typing. Affects com.fasterxml.jackson.core:jackson-databind across 2 version ranges.
>= 2.0.0, < 2.6.7.4
>= 2.7.0, < 2.9.10.4
Fixed in 2.6.7.4 or 2.9.10.4, depending on the release line you run. How to fix ↓
Also tracked for
- jackson-databind · Debian:11
The same CVE-2020-10673 is tracked separately for each ecosystem and vendor. Its fix information is the same; the package and affected versions differ.
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Background
The jackson-databind package is a part of the FasterXML Jackson library for Java, which provides functionality for converting Java objects to JSON and vice versa. It is widely used in various applications and frameworks for data serialization and deserialization. This vulnerability affects versions of jackson-databind prior to 2.9.10.4.
Vulnerability Detail
The vulnerability in jackson-databind arises from mishandling the interaction between serialization gadgets and typing. Specifically, it affects the com.caucho.config.types.ResourceRef class (also known as caucho-quercus). This flaw can be exploited by an attacker to execute arbitrary code or perform other malicious activities. It is important to note that this vulnerability has a moderate severity rating.
How To Fix
Latest published version: 2.22.4 as of 23 Oct 2026
Upgrading to it may include breaking changes; the versions below are the minimum fixed release for this vulnerability.
If you can't move to the latest
The minimum fixed version depends on the release line you run.
-
>= 2.0.0, < 2.6.7.42.6.7.4 -
>= 2.7.0, < 2.9.10.42.9.10.4
Tip — Not sure which release line you're on? Vulert can find the fix for the version you are using. Scan free →
Workaround
There is no known workaround for this vulnerability. It is essential to apply the recommended fix by upgrading to the patched version of jackson-databind.
Conclusion
In conclusion, the CVE-2020-10673 vulnerability in jackson-databind can lead to the execution of arbitrary code or other malicious activities. It is crucial to upgrade to version 2.9.10.4 or later to mitigate this risk. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for com.fasterxml.jackson.core:jackson-databind →
FAQ
jackson-databind is a library for Java that provides functionality for converting Java objects to JSON and vice versa. It is commonly used for data serialization and deserialization in various applications.
This vulnerability allows an attacker to execute arbitrary code or perform other malicious activities. It is important to upgrade to the patched version of jackson-databind to mitigate the risk.
To fix this vulnerability, you should upgrade jackson-databind to version 2.9.10.4 or later. Make sure to update your project's dependencies accordingly.
No, there is no known workaround for this vulnerability. It is crucial to apply the recommended fix by upgrading to the patched version of jackson-databind.
You can find more information about this vulnerability in the GitHub Advisory Database. Additionally, you can use Vulert (https://vulert.com) to check if your application is affected by this vulnerability.
References
Related vulnerabilities
Recent vulnerabilities recorded for com.fasterxml.jackson.core:jackson-databind.
