CVE-2021-30468

high

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.

References

Advisories
More

https://www.oracle.com/security-alerts/cpuoct2021.html

https://www.oracle.com/security-alerts/cpuapr2022.html

https://security.netapp.com/advisory/ntap-20210917-0002/

http://www.openwall.com/lists/oss-security/2021/06/16/2

https://lists.apache.org/thread.html/re9e05c6cab5f0dcc827eba4e6fcf26fa0b493e7ca84d62c867a80d03%40%3Ccommits.tomee.apache.org%3E

https://lists.apache.org/thread.html/re5b2a2b77faa22684d47bd2ac6623135c615565328ff40a1ec705448%40%3Ccommits.tomee.apache.org%3E

https://lists.apache.org/thread.html/rac07822057521dccf33ab5d136e0e8c599a6e2c8ac75e44ffbdc6e07%40%3Ccommits.tomee.apache.org%3E

https://lists.apache.org/thread.html/ra833f78b3fa577cb43558cf343859a1bf70b1c5ce2353b3877d96422%40%3Ccommits.tomee.apache.org%3E

https://lists.apache.org/thread.html/r54c0f1cbbb9f381dfbedb9ea5e90ecb1c0a15371f40c4b10322ac737%40%3Ccommits.tomee.apache.org%3E

https://lists.apache.org/thread.html/r4a4b6bc0520b69c18d2a59daa6af84ae49f0c22164dccb8538794459%40%3Cusers.cxf.apache.org%3E

https://lists.apache.org/thread.html/r4a4b6bc0520b69c18d2a59daa6af84ae49f0c22164dccb8538794459%40%3Cdev.cxf.apache.org%3E

https://lists.apache.org/thread.html/r4a4b6bc0520b69c18d2a59daa6af84ae49f0c22164dccb8538794459%40%3Cannounce.apache.org%3E

https://lists.apache.org/thread.html/r4771084730c4cf6e59eda60b4407122c86f174eb750b24f610ba9ff4%40%3Ccommits.tomee.apache.org%3E

https://lists.apache.org/thread.html/r3f46ae38e4a6e80c069cdb320e0ce831b0a21a12ef0cc92c0943f34a%40%3Ccommits.tomee.apache.org%3E

http://cxf.apache.org/security-advisories.data/CVE-2021-30468.txt.asc

Details

Source: Mitre, NVD

Published: 2021-06-16

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High

EPSS

EPSS: 0.01505