How severe is CVE-2022-42468?

CVE-2022-42468 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-42468 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-42468?

CVE-2022-42468 affects Apache Flume. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-42468?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2022-42468 published?

CVE-2022-42468 was published on 2022-10-26 and last updated on 2026-06-17.

CVE-2022-42468

CVE-2022-42468 is a critical-severity vulnerability in Apache Flume with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Apache Flume
Published: 2022-10-26
Last modified: 2026-06-17

Description

Apache Flume versions 1.4.0 through 1.10.1 are vulnerable to a remote code execution (RCE) attack when a configuration uses a JMS Source with an unsafe providerURL. This issue is fixed by limiting JNDI to allow only the use of the java protocol or no protocol.

Frequently asked questions

What is CVE-2022-42468?: Apache Flume versions 1.4.0 through 1.10.1 are vulnerable to a remote code execution (RCE) attack when a configuration uses a JMS Source with an unsafe providerURL. This issue is fixed by limiting JNDI to allow only the use of the java protocol or no protocol.
How severe is CVE-2022-42468?: CVE-2022-42468 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-42468 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-42468?: CVE-2022-42468 affects Apache Flume. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-42468?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-42468 published?: CVE-2022-42468 was published on 2022-10-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:apache:flume:*:*:*:*:*:*:*:*

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