CVE-2020-12758

mediumpriority · track · 31EPSS 0.017 · 77 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.71% (77th) EPSS

CVSS 5 · medium

Is it mine?

7 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · osv · nvd

EPSS · scored 2026-10-27

HashiCorp Consul and Consul Enterprise could crash when configured with an abnormally-formed service-router entry. Introduced in 1.6.0, fixed in 1.6.6 and 1.7.4.

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Lsecondary · OSV

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-404USprimaryCWE-400US

affected products (7)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
hashicorp consul1.6.0 → 1.6.6nvdUScpe:2.3:a:hashicorp:consul:*:*:*:*:*:*:*:*
hashicorp consul1.7.0 → 1.7.4nvdUScpe:2.3:a:hashicorp:consul:*:*:*:*:*:*:*:*
Bitnami consul1.6.0 → 1.6.6osvUSpkg:bitnami/consul
Bitnami consul1.7.0 → 1.7.4osvUSpkg:bitnami/consul
Go github.com/hashicorp/consul1.6.0-beta1 → 1.6.6osvUSpkg:golang/github.com/hashicorp/consul
Go github.com/hashicorp/consul1.7.0 → 1.7.4osvUSpkg:golang/github.com/hashicorp/consul

advisories (3)

Vendor and ecosystem advisories describing this.

GHSA-q2qr-3c2p-9235Denial of Service (DoS) in HashiCorp Consul2022-02-15ghsa · osvUS
HashiCorp Consul and Consul Enterprise could crash when configured with an abnormally-formed service-router entry. Introduced in 1.6.0, fixed in 1.6.6 and 1.7.4. ### Specific Go Packages Affected github.com/hashicorp/consul/agent/consul/discoverychain
BIT-consul-2020-127582024-03-06vendor · osvUS
HashiCorp Consul and Consul Enterprise could crash when configured with an abnormally-formed service-router entry. Introduced in 1.6.0, fixed in 1.6.6 and 1.7.4.
GO-2022-0861Denial of Service (DoS) in HashiCorp Consul in github.com/hashicorp/consul2024-08-21vendor · osvUS
Denial of Service (DoS) in HashiCorp Consul in github.com/hashicorp/consul

also known as (6)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd osv nvd NVD CVE.org MITRE

published 2020-06-11modified 2026-06-17

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+2019 more

references (10)

External citations — patches, advisories, analysis.

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