How severe is CVE-2023-0845?

CVE-2023-0845 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-0845 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-0845?

CVE-2023-0845 affects Hashicorp Consul. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-0845?

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

When was CVE-2023-0845 published?

CVE-2023-0845 was published on 2023-03-09 and last updated on 2026-06-17.

CVE-2023-0845

CVE-2023-0845 is a medium-severity vulnerability in Hashicorp Consul with a CVSS 3.x base score of 4.9. 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-476.

Key facts

Severity: Medium (CVSS 3.x base score 4.9)
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Hashicorp Consul
Published: 2023-03-09
Last modified: 2026-06-17

Description

Consul and Consul Enterprise allowed an authenticated user with service:write permissions to trigger a workflow that causes Consul server and client agents to crash under certain circumstances. This vulnerability was fixed in Consul 1.14.5.

Frequently asked questions

What is CVE-2023-0845?: Consul and Consul Enterprise allowed an authenticated user with service:write permissions to trigger a workflow that causes Consul server and client agents to crash under certain circumstances. This vulnerability was fixed in Consul 1.14.5.
How severe is CVE-2023-0845?: CVE-2023-0845 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-0845 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-0845?: CVE-2023-0845 affects Hashicorp Consul. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-0845?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-0845 published?: CVE-2023-0845 was published on 2023-03-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:hashicorp:consul:*:*:*:*:-:*:*:*

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