How severe is CVE-2021-32575?

CVE-2021-32575 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2021-32575 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-32575?

CVE-2021-32575 primarily affects Hashicorp Nomad. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-32575?

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

When was CVE-2021-32575 published?

CVE-2021-32575 was published on 2021-06-17 and last updated on 2026-06-17.

CVE-2021-32575

CVE-2021-32575 is a medium-severity vulnerability in Hashicorp Nomad with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 3.3
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Hashicorp Nomad
Published: 2021-06-17
Last modified: 2026-06-17

Description

HashiCorp Nomad and Nomad Enterprise up to version 1.0.4 bridge networking mode allows ARP spoofing from other bridged tasks on the same node. Fixed in 0.12.12, 1.0.5, and 1.1.0 RC1.

Frequently asked questions

What is CVE-2021-32575?: HashiCorp Nomad and Nomad Enterprise up to version 1.0.4 bridge networking mode allows ARP spoofing from other bridged tasks on the same node. Fixed in 0.12.12, 1.0.5, and 1.1.0 RC1.
How severe is CVE-2021-32575?: CVE-2021-32575 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2021-32575 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-32575?: CVE-2021-32575 primarily affects Hashicorp Nomad. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-32575?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-32575 published?: CVE-2021-32575 was published on 2021-06-17 and last updated on 2026-06-17.

References

Affected products (2)

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

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