Home/CVE/Jodd before 5.0.4 performs Deserialization of Untrusted JSON Data when setClassMetadataName is set.
CVE

CVE-2018-21234

Jodd before 5.0.4 performs Deserialization of Untrusted JSON Data when setClassMetadataName is set.

Jodd before 5.0.4 performs Deserialization of Untrusted JSON Data when setClassMetadataName is set.

CRITICAL · CVSS 9.8 EPSS 0.25246
Schedule remediation
  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 4% of all CVEs by exploitation likelihood
  • CVSS base score ≥ 7.0
Sigma rules2 YARA rules0
⬡

Weakness Classification

CWE-502Deserialization of Untrusted Data
▤

Affected Products & Versions

2
jodd< 5.0.4
apache hiveall versions
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Maven org.jodd:jodd-json CRITICAL fixed in 5.0.4
◈

Sigma Hunt Rules

2
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighSAM Registry Hive Handle Request
producthighCritical Hive In Suspicious Location Access Bits Cleared
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD21 May 2020 · 11:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
🔗

References & Sources

14
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/oblac/jodd/commit/9bffc3913aeb8472c11bb543243004b4b4376f16PatchThird Party Advisory
https://github.com/oblac/jodd/compare/v5.0.3...v5.0.4Third Party Advisory
https://github.com/oblac/jodd/issues/628Third Party Advisory
https://lists.apache.org/thread.html/r0bacc701ab7105500a0ab2769270d18f332cb379e6a62ec7553f3327%40%3Cissues.hive.apache.org%3E
https://lists.apache.org/thread.html/r157d01c96a2c10e7ceb3e005f42c52cfe87b11dd018935e1c4277433%40%3Cgitbox.hive.apache.org%3E
https://lists.apache.org/thread.html/r317aec95c436848233047af7ecb3ce04ce446eb6031f981aef50df0d%40%3Cdev.drill.apache.org%3E
Intelligence Graph · click any node to traverse
CVETechnique ActorTool Family
drag to reposition · click any node to traverse · button top-right enlarges
External lookups - second-class, for what we don’t hold ourselves
NVDCVE.orgCISAVulnersExploit-DBGitHub PoCVulnCheck KEVGreyNoise
Vulnerabilities
CISA KEV catalog
CWE weaknesses
CAPEC attack patterns
Package vulnerabilities
Threat intelligence
Threat actors
Tools & malware
ATT&CK techniques
IOCs
Detection & defense
Sigma rules
YARA rules
Atomic Red Team tests
D3FEND countermeasures
Compliance
NIST 800-53
ISO 27001:2022
SOC 2 TSC
PCI-DSS v4.0
CIS Controls v8.1
About
All capabilities
Live statistics
Data sources
Privacy policy
Terms of service
threatengine.sh  ·  Open-source threat intelligence platform  ·  100+ authoritative sources  ·  Every fact traces to its origin