How severe is CVE-2023-3300?

CVE-2023-3300 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-2023-3300 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-3300?

CVE-2023-3300 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-2023-3300?

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

When was CVE-2023-3300 published?

CVE-2023-3300 was published on 2023-07-20 and last updated on 2026-06-17.

CVE-2023-3300

CVE-2023-3300 is a medium-severity vulnerability in Hashicorp Nomad 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: 0% (37th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-862
Affected product: Hashicorp Nomad
Published: 2023-07-20
Last modified: 2026-06-17

Description

HashiCorp Nomad and Nomad Enterprise 0.11.0 up to 1.5.6 and 1.4.1 HTTP search API can reveal names of available CSI plugins to unauthenticated users or users without the plugin:read policy. Fixed in 1.6.0, 1.5.7, and 1.4.1.

Frequently asked questions

What is CVE-2023-3300?: HashiCorp Nomad and Nomad Enterprise 0.11.0 up to 1.5.6 and 1.4.1 HTTP search API can reveal names of available CSI plugins to unauthenticated users or users without the plugin:read policy. Fixed in 1.6.0, 1.5.7, and 1.4.1.
How severe is CVE-2023-3300?: CVE-2023-3300 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-2023-3300 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-3300?: CVE-2023-3300 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-2023-3300?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-3300 published?: CVE-2023-3300 was published on 2023-07-20 and last updated on 2026-06-17.

References

https://discuss.hashicorp.com/t/hcsec-2023-22-nomad-search-api-leaks-information-about-csi-plugins/56272

Affected products (2)

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

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