CVE Tools
Sign in

CVE-2021-20190

Published: Jan 19, 2021Updated: Aug 27, 2025 Sources: CVE List NVD GHSA BDUCWE-502
8.1HIGH
NVD MITRE
EPSS Score
7.5%
Top 6.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:HPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-502

Affected Products

Debian GNU/LinuxСообщество свободного программного обеспечения
On-premOS
Operating Systems / linux-distro
Oncommand InsightNetApp Inc.Hardware Firmware
openSUSE TumbleweedNovell Inc.
On-prem
Operating Systems / linux-distro
Red Hat OpenStack PlatformRed Hat Inc.
On-prem
Operating Systems / linux-distro
Red Hat JBoss Data VirtualizationRed Hat Inc.
On-prem
Operating Systems / linux-distro
сообщество свободного программного обеспеченияoss-projectOperating Systemsaka сообщество свободного программного обеспечения, fsf
netapp inc.commercialUSHardware Firmwareaka netapp
novell inc.commercialUSOperating Systems
red hat inc.commercialUSOperating Systemsaka red hat
and 36 more affected products View all →

Exploitability

Official Patch Available
No detection template yetWe can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

MITRE ATT&CK

3 techniques
Execution
Initial Access
View detailed technique mapping

References

https://github.com/FasterXML/jackson-databind/issues/2854
github.com
https://security-tracker.debian.org/tracker/CVE-2021-20190
security-tracker.debian.org
https://access.redhat.com/security/cve/CVE-2021-20190
access.redhat.com
and 17 more references View all →

Timeline

Published
Jan 19, 2021
Last Updated
Aug 27, 2025

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2021-20190 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows