How severe is CVE-2022-31684?

CVE-2022-31684 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2022-31684 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-31684?

CVE-2022-31684 affects Pivotal Reactor Netty. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-31684?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-31684 published?

CVE-2022-31684 was published on 2022-10-19 and last updated on 2026-06-17.

CVE-2022-31684

CVE-2022-31684 is a medium-severity vulnerability in Pivotal Reactor Netty with a CVSS 3.x base score of 4.3. 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-532.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-532
Affected product: Pivotal Reactor Netty
Published: 2022-10-19
Last modified: 2026-06-17

Description

Reactor Netty HTTP Server, in versions 1.0.11 - 1.0.23, may log request headers in some cases of invalid HTTP requests. The logged headers may reveal valid access tokens to those with access to server logs. This may affect only invalid HTTP requests where logging at WARN level is enabled.

Frequently asked questions

What is CVE-2022-31684?: Reactor Netty HTTP Server, in versions 1.0.11 - 1.0.23, may log request headers in some cases of invalid HTTP requests. The logged headers may reveal valid access tokens to those with access to server logs. This may affect only invalid HTTP requests where logging at WARN level is enabled.
How severe is CVE-2022-31684?: CVE-2022-31684 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2022-31684 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-31684?: CVE-2022-31684 affects Pivotal Reactor Netty. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-31684?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-31684 published?: CVE-2022-31684 was published on 2022-10-19 and last updated on 2026-06-17.

References

https://tanzu.vmware.com/security/cve-2022-31684

Affected products (1)

cpe:2.3:a:pivotal:reactor_netty:*:*:*:*:*:*:*:*

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