How severe is CVE-2020-28348?

CVE-2020-28348 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2020-28348 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-28348?

CVE-2020-28348 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-2020-28348?

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

When was CVE-2020-28348 published?

CVE-2020-28348 was published on 2020-11-24 and last updated on 2026-06-17.

CVE-2020-28348

CVE-2020-28348 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. The underlying weakness is classified as CWE-22.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 6.3
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Hashicorp Nomad
Published: 2020-11-24
Last modified: 2026-06-17

Description

HashiCorp Nomad and Nomad Enterprise 0.9.0 up to 0.12.7 client Docker file sandbox feature may be subverted when not explicitly disabled or when using a volume mount type. Fixed in 0.12.8, 0.11.7, and 0.10.8.

Frequently asked questions

What is CVE-2020-28348?: HashiCorp Nomad and Nomad Enterprise 0.9.0 up to 0.12.7 client Docker file sandbox feature may be subverted when not explicitly disabled or when using a volume mount type. Fixed in 0.12.8, 0.11.7, and 0.10.8.
How severe is CVE-2020-28348?: CVE-2020-28348 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2020-28348 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-28348?: CVE-2020-28348 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-2020-28348?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-28348 published?: CVE-2020-28348 was published on 2020-11-24 and last updated on 2026-06-17.

References

Affected products (2)

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

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