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CVE-2023-1297

Consul Cluster Peering can Result in Denial of Service

4.9 MediumFix available

Consul and Consul Enterprise's cluster peering implementation contained a flaw whereby a peer cluster with service of the same name as a local service could corrupt Consul state, resulting in denial of service. This vulnerability was resolved in Consul 1.14.5, and 1.15.3

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

0.77%Up 0.7 points since Jun 3, 2023
90%50%10%1%

What each source reports

CVE List Score used 4.9

Consul Cluster Peering can Result in Denial of Service

Consul and Consul Enterprise's cluster peering implementation contained a flaw whereby a peer cluster with service of the same name as a local service could corrupt Consul state, resulting in denial of service. This vulnerability was resolved in Consul 1.14.5, and 1.15.3

Record
CVE-2023-1297
CVSS 3.1
4.9 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-826
Updated
2026-11-02
EUVDEUVD-2023-1770 4.9

Consul and Consul Enterprise's cluster peering implementation contained a flaw whereby a peer cluster with service of the same name as a local service could corrupt Consul state, resulting in denial of service. This vulnerability was resolved in Consul 1.14.5, and 1.15.3

Record
EUVD-2023-1770
CVSS 3.1
4.9 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-03
GitHub AdvisoriesGHSA-c57c-7hrj-6q6v 4.9

Hashicorp Consul vulnerable to denial of service

Consul and Consul Enterprise's cluster peering implementation contained a flaw whereby a peer cluster with service of the same name as a local service could corrupt Consul state, resulting in denial of service. This vulnerability was resolved in Consul 1.14.5, and 1.15.3

Record
GHSA-c57c-7hrj-6q6v
CVSS 3.1
4.9 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-826
Updated
2026-11-02
NVD 4.9

Consul and Consul Enterprise's cluster peering implementation contained a flaw whereby a peer cluster with service of the same name as a local service could corrupt Consul state, resulting in denial of service. This vulnerability was resolved in Consul 1.14.5, and 1.15.3

Record
CVE-2023-1297
CVSS 3.1
4.9 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-826
Updated
2026-11-02
OSV 4.9

Consul Cluster Peering can Result in Denial of Service

Consul and Consul Enterprise's cluster peering implementation contained a flaw whereby a peer cluster with service of the same name as a local service could corrupt Consul state, resulting in denial of service. This vulnerability was resolved in Consul 1.14.5, and 1.15.3

Record
CVE-2023-1297
CVSS 3.1
4.9 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-826
Updated
2026-11-02
OSVGHSA-c57c-7hrj-6q6v 4.9

Hashicorp Consul vulnerable to denial of service

Consul and Consul Enterprise's cluster peering implementation contained a flaw whereby a peer cluster with service of the same name as a local service could corrupt Consul state, resulting in denial of service. This vulnerability was resolved in Consul 1.14.5, and 1.15.3

Record
GHSA-c57c-7hrj-6q6v
CVSS 3.1
4.9 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-826
Updated
2026-11-02
OSVUBUNTU-CVE-2023-1297 4.9

Consul and Consul Enterprise's cluster peering implementation contained a flaw whereby a peer cluster with service of the same name as a local service could corrupt Consul state, resulting in denial of service. This vulnerability was resolved in Consul 1.14.5, and 1.15.3

Record
UBUNTU-CVE-2023-1297
CVSS 3.1
4.9 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVBIT-consul-2023-1297 No score

Consul Cluster Peering can Result in Denial of Service

Consul and Consul Enterprise's cluster peering implementation contained a flaw whereby a peer cluster with service of the same name as a local service could corrupt Consul state, resulting in denial of service. This vulnerability was resolved in Consul 1.14.5, and 1.15.3

Record
BIT-consul-2023-1297
Updated
2026-11-02
OSVGO-2023-1827 No score

Hashicorp Consul vulnerable to denial of service in github.com/hashicorp/consul

Hashicorp Consul vulnerable to denial of service in github.com/hashicorp/consul

Record
GO-2023-1827
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
github.com/hashicorp/consul
Go
 before 1.14.5
1.14.5
github.com/hashicorp/consul
Go
 1.15.0 up to 1.15.3
1.15.3
consul
Bitnami
 1.13.0 up to 1.14.7, 1.15.0 up to 1.15.3
1.14.71.15.3
github.com/hashicorp/consul
Go
 before 1.14.5, 1.15.0 up to 1.15.3
1.14.51.15.3
consul
Ubuntu:18.04:LTS
 All versions, plus listed versions
0.6.4~dfsg-3
 None known
consul
Ubuntu: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
consul
Ubuntu:22.04:LTS
 All versions, plus listed versions
1.7.4+dfsg1-11.8.7+dfsg1-3
 None known

History

History
RecordedChangedSources
aliases, publishedEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-1297 is a medium vulnerability (CVSS 4.9) in Hashicorp Consul, published June 2, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.77%, the 55th percentile. Fixed in github.com/hashicorp/consul 1.14.5.

References

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