How severe is CVE-2022-3920?

CVE-2022-3920 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2022-3920 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-3920?

CVE-2022-3920 primarily affects Hashicorp Consul. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-3920?

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

When was CVE-2022-3920 published?

CVE-2022-3920 was published on 2022-11-16 and last updated on 2026-06-17.

CVE-2022-3920

CVE-2022-3920 is a medium-severity vulnerability in Hashicorp Consul with a CVSS 3.x base score of 5.3. 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-862.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-862
Affected product: Hashicorp Consul
Published: 2022-11-16
Last modified: 2026-06-17

Description

HashiCorp Consul and Consul Enterprise 1.13.0 up to 1.13.3 do not filter cluster filtering's imported nodes and services for HTTP or RPC endpoints used by the UI. Fixed in 1.14.0.

Frequently asked questions

What is CVE-2022-3920?: HashiCorp Consul and Consul Enterprise 1.13.0 up to 1.13.3 do not filter cluster filtering's imported nodes and services for HTTP or RPC endpoints used by the UI. Fixed in 1.14.0.
How severe is CVE-2022-3920?: CVE-2022-3920 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2022-3920 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-3920?: CVE-2022-3920 primarily affects Hashicorp Consul. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-3920?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-3920 published?: CVE-2022-3920 was published on 2022-11-16 and last updated on 2026-06-17.

References

https://discuss.hashicorp.com/t/hcsec-2022-28-consul-cluster-peering-leaks-imported-nodes-services-information/46946

Affected products (2)

cpe:2.3:a:hashicorp:consul:*:*:*:*:-:*:*:*
cpe:2.3:a:hashicorp:consul:*:*:*:*:enterprise:*:*:*

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