Miggo Logo
Book a Demo
Miggo Vulnerability Database
→
CVE-2020-35490

CVE-2020-35490:
Serialization gadgets exploit in jackson-databind

8.1

CVSS Score

Basic Information

CVE ID
CVE-2020-35490
GHSA ID
GHSA-wh8g-3j2c-rqj5
EPSS Score
-
CWE
CWE-502
Published
12/9/2021
Updated
3/15/2024
KEV Status
No
Technology
TechnologyJava

Technical Details

CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Package NameEcosystemVulnerable VersionsFirst Patched Version
com.fasterxml.jackson.core:jackson-databindmaven>= 2.0.0, <= 2.9.10.72.9.10.8

Vulnerability Intelligence
Miggo AIMiggo AI

Miggo AIRoot Cause Analysis

The patch directly modifies the SubTypeValidator class to block specific classes that are related to the vulnerability. This indicates that the vulnerability is related to the deserialization process handled by this class.

Vulnerable functions

Only Mi**o us*rs **n s** t*is s**tion

WAF Protection Rules

WAF Rule

**st*rXML j**kson-**t**in* *.x ***or* *.*.**.* mis**n*l*s t** int*r**tion **tw**n s*ri*liz*tion *****ts *n* typin*, r*l*t** to or*.*p****.*ommons.***p*.**t*sour**s.P*rUs*rPool**t*Sour**.

Reasoning

T** p*t** *ir**tly mo*i*i*s t** Su*Typ*V*li**tor *l*ss to *lo*k sp**i*i* *l*ss*s t**t *r* r*l*t** to t** vuln*r**ility. T*is in*i**t*s t**t t** vuln*r**ility is r*l*t** to t** **s*ri*liz*tion pro**ss **n*l** *y t*is *l*ss.