Is CVE-2021-30468 in the CISA KEV catalog?

No. CVE-2021-30468 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-30468?

CVE-2021-30468 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2021-30468?

CVE-2021-30468 has an EPSS score of 7.02% (93th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2021-30468

HIGHEPSS 93th pctl

7.5

CVSS v3

NVD

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.

CWE-400Resource Exhaustion CWE-835

How to fix

Remediation Available

cxfNVD

Affected:>= 3.4.0, < 3.4.4Fixed in:3.4.4CVE-2021-30468derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

7.02%probability of exploitation in 30 days

93rdpercentile

High risk: more likely to be exploited than 93% of all known CVEs.

References

Patch2

Vendor Advisory1

cxf.apache.org

Third-Party Advisory2

Other references10

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.