CVE-2023-0845
Consul Server Panic when Ingress and API Gateways Configured with Peering
CVE-2023-0845 is a medium vulnerability (CVSS 4.9) in Hashicorp Consul, published March 9, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.00%, the 63rd percentile. Fixed in github.com/hashicorp/consul 1.14.5.
- Severity
- 4.9 MediumCVSS 3.1, CVE List
- Exploit chance
- 1.00%EPSS, 63rd percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
1.14.5github.com/hashicorp/consul +4 more
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
github.com/hashicorp/consulGo | 1.14.0 up to 1.14.5 | 1.14.5 |
consulBitnami | before 1.14.5 | 1.14.5 |
consulUbuntu:18.04:LTS | All versions, plus listed versions 0.6.4~dfsg-3 | None known |
consulUbuntu:20.04:LTS | All versions, plus listed versions 1.0.7~dfsg1-5ubuntu11.4.4~dfsg1-2ubuntu21.5.2+dfsg1-61.5.2+dfsg1-101.5.2+dfsg1-121.5.2+dfsg2-14 | None known |
consulUbuntu:22.04:LTS | All versions, plus listed versions 1.7.4+dfsg1-11.8.7+dfsg1-3 | None known |
What each source reports
CVE List Score used
Consul Server Panic when Ingress and API Gateways Configured with Peering
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.
- Record
CVE-2023-0845- CVSS 3.1
- 4.9 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-476
- Updated
- 2026-11-02
EUVDEUVD-2023-1131
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.
- Record
EUVD-2023-1131- CVSS 3.1
- 4.9 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-wj6x-hcc2-f32j
Consul Server Panic when Ingress and API Gateways Configured with Peering Connections
A vulnerability was identified in Consul and Consul Enterprise (“Consul”) an authenticated user with service:write permissions could trigger a workflow that causes Consul server and client agents to crash under certain circumstances. To exploit this vulnerability, an attacker requires access to an ACL token with service:write permissions, and there needs to be at least one running ingress or API gateway that is configured to route traffic to an upstream service.
- Record
GHSA-wj6x-hcc2-f32j- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-476
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2023-0845- CVSS 3.1
- 4.9 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H - CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-476
- Updated
- 2026-11-02
OSV
Consul Server Panic when Ingress and API Gateways Configured with Peering
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.
- Record
CVE-2023-0845- CVSS 3.1
- 4.9 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-476
- Updated
- 2026-11-02
OSVGHSA-wj6x-hcc2-f32j
Consul Server Panic when Ingress and API Gateways Configured with Peering Connections
A vulnerability was identified in Consul and Consul Enterprise (“Consul”) an authenticated user with service:write permissions could trigger a workflow that causes Consul server and client agents to crash under certain circumstances. To exploit this vulnerability, an attacker requires access to an ACL token with service:write permissions, and there needs to be at least one running ingress or API gateway that is configured to route traffic to an upstream service.
- Record
GHSA-wj6x-hcc2-f32j- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-476
- Updated
- 2026-11-02
OSVUBUNTU-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.
- Record
UBUNTU-CVE-2023-0845- CVSS 3.1
- 4.9 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H - CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVBIT-consul-2023-0845No score
Consul Server Panic when Ingress and API Gateways Configured with Peering
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.
- Record
BIT-consul-2023-0845- Updated
- 2026-11-02
OSVGO-2023-1639No score
Consul Server Panic when Ingress and API Gateways Configured with Peering Connections in github.com/hashicorp/consul
Consul Server Panic when Ingress and API Gateways Configured with Peering Connections in github.com/hashicorp/consul
- Record
GO-2023-1639- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
References
discuss.hashicorp.com/t/hcsec-2023-06-consul-server-panic-when-ingress-and-api-gateways-configured-with-peering-connections/51197
lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZTE4ITXXPIWZEQ4HYQCB6N6GZIMWXDAI
nvd.nist.gov/vuln/detail/CVE-2023-0845
github.com/advisories/GHSA-wj6x-hcc2-f32j