What is CVE-2021-46877?

CVE-2021-46877 is a high-severity vulnerability in Fasterxml Jackson-Databind, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2023-03-18.

How severe is CVE-2021-46877?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2021-46877 known to be exploited?

4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Resource exhaustion in Fasterxml Jackson-Databind

CVE-2021-46877

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.

EPSS: 0.011 (62.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Fasterxml Jackson-databind — versions 2.13.0
N/a — versions n/a

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

Public proof-of-concept exploits

References

cve@mitre.org (Mailing List, Release Notes)
cve@mitre.org (Exploit, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2021-46877?: CVE-2021-46877 is a high-severity vulnerability in Fasterxml Jackson-Databind, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2023-03-18.
How severe is CVE-2021-46877?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2021-46877 known to be exploited?: 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.