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CVE-2021-30468

27
FAUCET Score

CVE-2021-30468 is a denial-of-service vulnerability in the JsonMapObjectReaderWriter of Apache CXF, affecting versions prior to 3.4.4 and 3.3.11, as well as various Oracle products utilizing CXF. An unauthenticated attacker can remotely trigger an infinite loop by submitting malformed JSON, leading to indefinite CPU consumption. While rated High severity (CVSS 7.5), there is currently no evidence of active exploitation, public exploit code, or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.3.11CPE matchmatch criteria
cpe:2.3:a:apache:cxf:*:*:*:*:*:*:*:*
>= 3.4.0, < 3.4.4CPE matchmatch criteria
cpe:2.3:a:apache:cxf:*:*:*:*:*:*:*:*
8.0.6CPE matchmatch criteria
cpe:2.3:a:apache:tomee:8.0.6:*:*:*:*:*:*:*
5.5.0.0.0CPE matchmatch criteria
cpe:2.3:a:oracle:business_intelligence:5.5.0.0.0:*:*:*:enterprise:*:*:*
5.9.0.0.0CPE matchmatch criteria
cpe:2.3:a:oracle:business_intelligence:5.9.0.0.0:*:*:*:enterprise:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
7.02%
Probability of exploitation in next 30 days
EPSS Percentile
93.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0702 is in the 89th percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (9)

mavenpatch availablevia ghsa
Product: org.apache.cxf:cxfFixed in: 3.3.11
mavenpatch availablevia ghsa
Product: org.apache.cxf:apache-cxfFixed in: 3.4.4
mavenpatch availablevia ghsa
Product: org.apache.cxf:apache-cxfFixed in: 3.3.11
mavenpatch availablevia ghsa
Product: org.apache.cxf:cxfFixed in: 3.4.4
oraclepatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: JWS 5.7.0Fixed in: cxf-rt-rs-json-basic
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Fuse 7.10Fixed in: cxf-rt-rs-json-basic
View patch
redhatpatch availablevia redhat_api
Product: Red Hat IntegrationFixed in: cxf-rt-rs-json-basic
View patch
redhatno patchvia redhat_api
Product: Red Hat Integration Camel Quarkus 1Fixed in: cxf-rt-rs-json-basic

Vendor Advisories (2)

mavenGHSA-g23v-p5jq-jvh4high

Infinite loop in Apache CFX

Jan 6, 2022
redhatCVE-2021-30468Moderate

CXF: Denial of service vulnerability in parsing JSON via JsonMapObjectReaderWriter

Jun 16, 2021

References

cxf.apache.org / security-advisories.data/CVE-2021-30468.txt.asc
Vendor Advisory
lists.apache.org / thread.html/r3f46ae38e4a6e80c069cdb320e0ce831b0a21a12ef0cc92c0943f34a%40%3Ccommits.tomee.apache.org%3E
lists.apache.org / thread.html/r4771084730c4cf6e59eda60b4407122c86f174eb750b24f610ba9ff4%40%3Ccommits.tomee.apache.org%3E
lists.apache.org / thread.html/r4a4b6bc0520b69c18d2a59daa6af84ae49f0c22164dccb8538794459%40%3Cannounce.apache.org%3E
lists.apache.org / thread.html/r4a4b6bc0520b69c18d2a59daa6af84ae49f0c22164dccb8538794459%40%3Cdev.cxf.apache.org%3E
lists.apache.org / thread.html/r4a4b6bc0520b69c18d2a59daa6af84ae49f0c22164dccb8538794459%40%3Cusers.cxf.apache.org%3E
lists.apache.org / thread.html/r54c0f1cbbb9f381dfbedb9ea5e90ecb1c0a15371f40c4b10322ac737%40%3Ccommits.tomee.apache.org%3E
lists.apache.org / thread.html/ra833f78b3fa577cb43558cf343859a1bf70b1c5ce2353b3877d96422%40%3Ccommits.tomee.apache.org%3E
lists.apache.org / thread.html/rac07822057521dccf33ab5d136e0e8c599a6e2c8ac75e44ffbdc6e07%40%3Ccommits.tomee.apache.org%3E
lists.apache.org / thread.html/re5b2a2b77faa22684d47bd2ac6623135c615565328ff40a1ec705448%40%3Ccommits.tomee.apache.org%3E
lists.apache.org / thread.html/re9e05c6cab5f0dcc827eba4e6fcf26fa0b493e7ca84d62c867a80d03%40%3Ccommits.tomee.apache.org%3E
security.netapp.com / advisory/ntap-20210917-0002
Third Party Advisory
oracle.com / security-alerts/cpuapr2022.html
PatchThird Party Advisory
oracle.com / security-alerts/cpuoct2021.html
PatchThird Party Advisory
openwall.com / lists/oss-security/2021/06/16/2
Mailing ListThird Party Advisory