How severe is CVE-2023-3299?

CVE-2023-3299 has a CVSS 3.x base score of 3.4, rated low severity. It is exploitable over an adjacent network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2023-3299 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-3299?

CVE-2023-3299 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-2023-3299?

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

When was CVE-2023-3299 published?

CVE-2023-3299 was published on 2023-07-20 and last updated on 2026-06-17.

CVE-2023-3299

CVE-2023-3299 is a low-severity vulnerability in Hashicorp Nomad with a CVSS 3.x base score of 3.4. 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-668.

Key facts

Severity: Low (CVSS 3.x base score 3.4)
EPSS exploit prediction: 0% (39th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-668
Affected product: Hashicorp Nomad
Published: 2023-07-20
Last modified: 2026-06-17

Description

HashiCorp Nomad Enterprise 1.2.11 up to 1.5.6, and 1.4.10 ACL policies using a block without a label generates unexpected results. Fixed in 1.6.0, 1.5.7, and 1.4.11.

Frequently asked questions

What is CVE-2023-3299?: HashiCorp Nomad Enterprise 1.2.11 up to 1.5.6, and 1.4.10 ACL policies using a block without a label generates unexpected results. Fixed in 1.6.0, 1.5.7, and 1.4.11.
How severe is CVE-2023-3299?: CVE-2023-3299 has a CVSS 3.x base score of 3.4, rated low severity. It is exploitable over an adjacent network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2023-3299 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-3299?: CVE-2023-3299 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-2023-3299?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-3299 published?: CVE-2023-3299 was published on 2023-07-20 and last updated on 2026-06-17.

References

https://discuss.hashicorp.com/t/hcsec-2023-21-nomad-caller-acl-tokens-secret-id-is-exposed-to-sentinel/56271

Affected products (2)

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

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