How severe is CVE-2022-2191?

CVE-2022-2191 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2022-2191 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-2191?

CVE-2022-2191 affects Eclipse Jetty. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-2191?

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

When was CVE-2022-2191 published?

CVE-2022-2191 was published on 2022-07-07 and last updated on 2026-06-17.

CVE-2022-2191

CVE-2022-2191 is a high-severity vulnerability in Eclipse Jetty with a CVSS 3.x base score of 7.5. 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-404.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-404
Affected product: Eclipse Jetty
Published: 2022-07-07
Last modified: 2026-06-17

Description

In Eclipse Jetty versions 10.0.0 thru 10.0.9, and 11.0.0 thru 11.0.9 versions, SslConnection does not release ByteBuffers from configured ByteBufferPool in case of error code paths.

Frequently asked questions

What is CVE-2022-2191?: In Eclipse Jetty versions 10.0.0 thru 10.0.9, and 11.0.0 thru 11.0.9 versions, SslConnection does not release ByteBuffers from configured ByteBufferPool in case of error code paths.
How severe is CVE-2022-2191?: CVE-2022-2191 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2022-2191 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-2191?: CVE-2022-2191 affects Eclipse Jetty. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-2191?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-2191 published?: CVE-2022-2191 was published on 2022-07-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:eclipse:jetty:*:*:*:*:*:*:*:*

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