CVE-2021-20190

unknown
Published 2021-01-20 · Modified 2025-09-15
CVSS v3
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2
VIR risk

Description

A flaw was found in jackson-databind before 2.9.10.7. FasterXML mishandles the interaction between serialization gadgets and typing. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Predictions

Exploit likelihood
30%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-20190

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2021-20190.html

OS impact

OSVersionStatusFixed in
suse slesaffected
debian debianbookwormfixed2.12.1-1
debian debianbullseyefixed2.12.1-1
debian debianforkyfixed2.12.1-1
debian debiansidfixed2.12.1-1
debian debiantrixiefixed2.12.1-1

Package impact

EcosystemPackageVulnerableFixed
java Mavencom.fasterxml.jackson.core:jackson-databind>=2.7.0,<2.9.10.72.9.10.7
java Mavencom.fasterxml.jackson.core:jackson-databind<2.6.7.52.6.7.5

References

Verify integrity in audit chain (admin only). AS-IS.