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CVE-2021-30468

Apache CXF Denial of service vulnerability in parsing JSON via JsonMapObjectReaderWriter

HIGH
7.5
CVSS Score
Published: June 16, 2021 at 12:00 PM UTC
Updated: June 17, 2026 at 03:50 AM UTC
5 products affected across 2 vendorsBusiness IntelligenceCXFCommunications Element Manager

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Severity
HIGH7.5
Exploit prediction
EPSS 7%

Description

A vulnerability in the JsonMapObjectReaderWriter of Apache CXF allows an attacker to submit malformed JSON to a web service, which results in the thread getting stuck in an infinite loop, consuming CPU indefinitely. This issue affects Apache CXF versions prior to 3.4.4; Apache CXF versions prior to 3.3.11.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

CXF· Apachemaven
95%
v < 3.3.113.4.0 ≤ v < 3.4.4Apache CXF ≤ v < 3.4.4
Affected range stops below 3.3.11, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.4.4, so it looks safe — our inference, not a vendor statement
Tomee· Apache
95%
8.0.6
Business Intelligence· Oracledrupal
95%
12.2.1.3.012.2.1.4.05.5.0.0.05.9.0.0.0
Communications Element Manager· Oracledrupal
95%
8.2.2
Communications Messaging Server· Oracle
95%
8.1

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (15)

x_refsource_MISCVendor Advisory
Source: [email protected]
http://cxf.apache.org/security-advisories.data/CVE-2021-30468.txt.asc
Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2021/06/16/2
Mailing Listx_refsource_MLIST
Source: [email protected]
https://lists.apache.org/thread.html/r3f46ae38e4a6e80c069cdb320e0ce831b0a21a12ef0cc92c0943f34a%40%3Ccommits.tomee.apache.org%3E
Mailing Listx_refsource_MLIST
Source: [email protected]
https://lists.apache.org/thread.html/r4771084730c4cf6e59eda60b4407122c86f174eb750b24f610ba9ff4%40%3Ccommits.tomee.apache.org%3E
Mailing Listx_refsource_MLIST
Source: [email protected]
https://lists.apache.org/thread.html/r4a4b6bc0520b69c18d2a59daa6af84ae49f0c22164dccb8538794459%40%3Cannounce.apache.org%3E
Mailing Listx_refsource_MLIST
Source: [email protected]
https://lists.apache.org/thread.html/r4a4b6bc0520b69c18d2a59daa6af84ae49f0c22164dccb8538794459%40%3Cdev.cxf.apache.org%3E
Mailing Listx_refsource_MLIST
Source: [email protected]
https://lists.apache.org/thread.html/r4a4b6bc0520b69c18d2a59daa6af84ae49f0c22164dccb8538794459%40%3Cusers.cxf.apache.org%3E
Mailing Listx_refsource_MLIST
Source: [email protected]
https://lists.apache.org/thread.html/r54c0f1cbbb9f381dfbedb9ea5e90ecb1c0a15371f40c4b10322ac737%40%3Ccommits.tomee.apache.org%3E

CVSS

7.5HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-400CWE-835

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