CVE-2021-30468

Q: Is CVE-2021-30468 being actively exploited?

Not that we know of. CVE-2021-30468 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 7.0% is the estimated probability that it will be exploited in the next 30 days. That is higher than 94% of all scored CVEs.

Q: How severe is CVE-2021-30468?

CVE-2021-30468 has a CVSS v3 base score of 7.5, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

Q: What does CVE-2021-30468 affect?

Published advisories record a fix for cxf (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

HIGHEPSS 94th 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

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

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

94thpercentile

High risk: more likely to be exploited than 94% of all known CVEs.

References

Patch2

Vendor Advisory1

cxf.apache.org

Third-Party Advisory2

Other references10

Related Vulnerabilities

Other CWE-400 (Resource Exhaustion) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-44487	High	7.5	100%	KEV	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2011-3192	High	7.8	99%	-	Fix
CVE-2019-11478	Medium	5.3	95%	-	Fix
CVE-2023-21547	High	7.5	89%	-	Fix
CVE-2024-25617	Medium	5.3	89%	-	Fix

Common questions

How do I fix CVE-2021-30468?

Upgrade cxf to 3.4.4 or later.

Is CVE-2021-30468 being actively exploited?

Not that we know of. CVE-2021-30468 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 7.0% is the estimated probability that it will be exploited in the next 30 days. That is higher than 94% of all scored CVEs.

How severe is CVE-2021-30468?

CVE-2021-30468 has a CVSS v3 base score of 7.5, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2021-30468 affect?

Published advisories record a fix for cxf (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

Embed a live status badge for CVE-2021-30468

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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.