What is CVE-2023-1297?

CVE-2023-1297 is a medium-severity vulnerability in Hashicorp Consul, classified under CWE-826. CVSS score: 4.9/10. Published 2023-06-02.

How severe is CVE-2023-1297?

Medium severity. CVSS v3 base score is 4.9 out of 10.

Vulnerability in Hashicorp Consul

CVE-2023-1297

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

Published 2023-06-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.008 (54.7th percentile), scored 2026-10-19.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 54.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Hashicorp Consul — versions 1.14.0, 1.15.0
Hashicorp Consul Enterprise — versions 1.14.0, 1.15.0

Weakness classification (CWE)

CWE-826

References

discuss.hashicorp.com/t/hcsec-2023-15-consul-cluster-peering-can-result-in-deni… (Vendor Advisory)

Frequently asked questions

What is CVE-2023-1297?: CVE-2023-1297 is a medium-severity vulnerability in Hashicorp Consul, classified under CWE-826. CVSS score: 4.9/10. Published 2023-06-02.
How severe is CVE-2023-1297?: Medium severity. CVSS v3 base score is 4.9 out of 10.