CVE-2020-28491

Name: CVE-2020-28491
Creator: NVD / NIST
Published: 2021-02-18T16:15:13.207+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 3.07%

Last modified Jun 17, 2026

CVE-2020-28491 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. This affects the package com.fasterxml.jackson.dataformat:jackson-dataformat-cbor from 0 and before 2.11.4, from 2.12.0-rc1 and before 2.12.1. Unchecked allocation of byte buffer can cause a java.lang.OutOfMemoryError exception.. EPSS estimates a 3.07% chance of exploitation in the next 30 days.

Description

This affects the package com.fasterxml.jackson.dataformat:jackson-dataformat-cbor from 0 and before 2.11.4, from 2.12.0-rc1 and before 2.12.1. Unchecked allocation of byte buffer can cause a java.lang.OutOfMemoryError exception.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

3.07%

86.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-770

Affected Software

Vendor	Product	Versions
Fasterxml	Jackson-Dataformats-Binary	< 2.11.4
Fasterxml	Jackson-Dataformats-Binary	> 2.12.0, < 2.12.1
Fasterxml	Jackson-Dataformats-Binary	2.12.0
Quarkus	Quarkus	< 2.0.2
Oracle	Weblogic Server	12.2.1.3.0
Oracle	Weblogic Server	12.2.1.4.0
Oracle	Weblogic Server	14.1.1.0.0

References

https://github.com/FasterXML/jackson-dataformats-binary/commit/de072d314af8f5f269c8abec6930652af67bc8e6Patch, Third Party Advisory
https://github.com/FasterXML/jackson-dataformats-binary/issues/186Issue Tracking, Patch, Third Party Advisory
https://snyk.io/vuln/SNYK-JAVA-COMFASTERXMLJACKSONDATAFORMAT-1047329Patch, Third Party Advisory
https://www.oracle.com/security-alerts/cpujul2022.htmlPatch, Third Party Advisory
https://github.com/FasterXML/jackson-dataformats-binary/commit/de072d314af8f5f269c8abec6930652af67bc8e6Patch, Third Party Advisory
https://github.com/FasterXML/jackson-dataformats-binary/issues/186Issue Tracking, Patch, Third Party Advisory
https://snyk.io/vuln/SNYK-JAVA-COMFASTERXMLJACKSONDATAFORMAT-1047329Patch, Third Party Advisory
https://www.oracle.com/security-alerts/cpujul2022.htmlPatch, Third Party Advisory

Timeline

Published: Feb 18, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-28491?

How severe is CVE-2020-28491?

CVE-2020-28491 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 3.07% probability of exploitation in the next 30 days.

How do I fix CVE-2020-28491?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-28491?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST