What’s Vulnerable › Vulnerabilities

CVE-2021-32575

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-06-17 · updated 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.

Affected products

• HashiCorp Nomad Enterprise: through 1.0.4

References

• https://discuss.hashicorp.com/t/hcsec-2021-14-nomad-bridge-networking-mode-allows-arp-spoofing-from-other-bridged-tasks-on-same-node/24296
• https://www.hashicorp.com/blog/category/nomad
• https://discuss.hashicorp.com/t/hcsec-2021-14-nomad-bridge-networking-mode-allows-arp-spoofing-from-other-bridged-tasks-on-same-node/24296
• https://www.hashicorp.com/blog/category/nomad

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