PatchTheCVECVE-2023-0845: Consul and Consul Enterprise allowed an authenticated user with service:write permissions to trigger a workflo
CVE-2023-0845 is a medium-severity flaw (CVSS 4.9) affecting consul. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 4.9 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | High |
| User interaction | None |
| EPSS exploit chance | 1.0% (top 37%) |
| CISA exploited list | No |
| Weakness | CWE-476 |
| Published | 2023-03-09 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2023-0845?
consul: upgrade to 1.14.5. Exact commands for each OS are on this page.
Is CVE-2023-0845 being exploited?
CVE-2023-0845 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2023-0845 affect?
CVE-2023-0845 affects consul. Severity is medium (CVSS 4.9). 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 urgent is CVE-2023-0845?
Priority 33/100. No elevated risk signals yet.
Software pages
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