Vulnerability Report

CVE-2021-20190

RCE

Title: jackson-databind deserialization flaw

RCE

Proof Of Concept

PoC Available for CVE-2021-20190

CWE Category CWE-502
Published Date Jan 19, 2021
Modified Date Jul 24, 2026
Exploit Status Available
Score 8.1 CVSS v3.1
Exploit Probability (EPSS)
7.48%

Vulnerability Summary

CVE-2021-20190: 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.

Impacted Vendors

A
apache 1
F
fasterxml 1
N
netapp 4
O
oracle 3

Reference Links

https://bugzilla.redhat.com/show_bug.cgi?id=1916633 https://github.com/FasterXML/jackson-databind/issues/2854 https://lists.apache.org/thread.html/r380e9257bacb8551ee6fcf2c59890ae9477b2c78e553fa9ea08e9d9a%40%3Ccommits.nifi.apache.org%3E https://lists.debian.org/debian-lts-announce/2021/04/msg00025.html https://security.netapp.com/advisory/ntap-20210219-0008/ https://www.oracle.com//security-alerts/cpujul2021.html https://bugzilla.redhat.com/show_bug.cgi?id=1916633 https://github.com/FasterXML/jackson-databind/issues/2854 https://lists.apache.org/thread.html/r380e9257bacb8551ee6fcf2c59890ae9477b2c78e553fa9ea08e9d9a%40%3Ccommits.nifi.apache.org%3E https://lists.debian.org/debian-lts-announce/2021/04/msg00025.html https://security.netapp.com/advisory/ntap-20210219-0008/ https://www.oracle.com//security-alerts/cpujul2021.html
CVSS v3.1
Source Entity [email protected]
Severity HIGH
8.1
Attack Vector
NETWORK
Complexity
HIGH
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v3.1
Source Entity 134c704f-9b21-4f2e-91b3-4a467353bcc0
Severity HIGH
8.1
Attack Vector
NETWORK
Complexity
HIGH
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0
Source Entity [email protected]
Severity HIGH
8.3
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:M/Au:N/C:P/I:P/A:C

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2021-20190 Exploits & PoCs (Proof Of Concept)

GitHub https://github.com/andikahilmy/CVE-2021-20190-jackson-databind-vulnerable
View Code
MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity HIGH
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.