CVE-2023-0845 - CVE House
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Status published Medium CVE-2023-0845

Consul Server Panic when Ingress and API Gateways Configured with Peering

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

Consul, Consul Enterprise
Vulnerable Versions:
1.14.0, 1.14.1, 1.14.2, 1.14.3, 1.14.4

Timeline

Official Publish: March 9th, 2023
Last Modified: February 28th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

CWE-476

MITRE ATT&CK TTPs

T1499 Endpoint Denial of Service
Impact
T1499.004 Application or System Exploitation
Impact
T1489 Service Stop
Impact
T1203 Exploitation for Client Execution
Execution
T1190 Exploit Public-Facing Application
Initial Access