Is CVE-2021-46877 actively exploited?

CVE-2021-46877 has no public evidence of in-the-wild exploitation as of 2025-02-26.

What is the CVSS score for CVE-2021-46877?

CVE-2021-46877 has a CVSS score of 7.5 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

How do I patch CVE-2021-46877?

Patch guidance is available from fasterxml security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2021-46877.

Fix CVE-2021-46877 - HIGH fasterxml jackson-databind

Q: Which products are affected by CVE-2021-46877?

4 products: fasterxml jackson-databind, fasterxml jackson-databind, fasterxml jackson-databind, fasterxml jackson-databind.

Description

jackson-databind 2.10.x through 2.12.x before 2.12.6 and 2.13.x before 2.13.1 allows attackers to cause a denial of service (2 GB transient heap usage per read) in uncommon situations involving JsonNode JDK serialization.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high
Weaknesses: CWE-770 CWE-770

Metadata

Primary Vendor: FASTERXML
Published: 3/18/2023
Last Modified: 2/26/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

fasterxml : jackson-databindfasterxml : jackson-databindfasterxml : jackson-databindfasterxml : jackson-databind

Remediation Guidance

Executive Summary

View on NIST NVD