7.5

CVE-2021-46877: fasterxml jackson-databind

Modified
AliasesUBUNTU-CVE-2021-46877DEBIAN-CVE-2021-46877CGA-2x5p-g524-f647
Published 18-03-2023Last modified 26-02-2025

Vulnerability summary

CVE-2021-46877 is a high (CVSS 7.5) vulnerability in fasterxml jackson-databind. EPSS estimates a 1.12% chance of exploitation in the next 30 days, higher than 66.2% of scored vulnerabilities. 1 public exploit is recorded.

Priority
Prioritisepublic exploit

Public exploit (GitHub, Date unknown)

Source freshness unavailable

How is this decided?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
1.12%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits1github

Advisory lineage

Upstream 0 · Downstream 9 · Related 4

Timeline

  1. 18-03-2023
    PublishedVulnerability first disclosed.
  2. 26-02-2025
    Last modifiedVulnerability information updated.

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

7 scores · 7 sources · 1 version

EPSS trend

Probability

1.12%

Chance of exploitation in the next 30 days

Percentile

66%

Versus all other CVEs

30-day change

No change 0.00 pp

From 1.12% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

1 found
  • githubUnverified

    Jackson Databind

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Chainguard41 products
  • cassandra-reaper< 4.0.1-r1
  • eco-java-gradle-6.3All versions (No fix recorded)
  • eco-java-gradle-6.4All versions (No fix recorded)
  • eco-java-gradle-6.4.1All versions (No fix recorded)
  • eco-java-gradle-6.5All versions (No fix recorded)
Wolfi4 products
  • cassandra-reaper< 4.0.1-r1
  • management-api-for-apache-cassandra-5.0< 0.1.89-r0
  • management-api-for-apache-cassandra-5.0-compat< 0.1.89-r0
  • scala-3.8< 3.8.4-r1
Com.fasterxml.jackson.core1 product
  • jackson-databind≥ 2.10.0, < 2.12.6 | ≥ 2.13.0, < 2.13.1
Debian1 product
  • jackson-databind< 2.13.2.2-1
Fasterxml1 product
Ubuntu1 product
  • jackson-databindAll versions (No fix recorded)

6 vendors · 49 products

References

10 links