CVE-2021-32574
HIGH
7.5
CVSS Score
Published: July 17, 2021 at 05:28 PM UTC
Updated: June 17, 2026 at 03:53 AM UTC
1 product affected across 1 vendorConsul
Using N/A by N/A?
Get instant alerts when new vulnerabilities affect N/A - before attackers find them.
Real-time alertsTrack your software stackFree plan available
Severity
HIGH7.5
Exploit prediction
EPSS 1%
Description
HashiCorp Consul and Consul Enterprise 1.3.0 through 1.10.0 Envoy proxy TLS configuration does not validate destination service identity in the encoded subject alternative name. Fixed in 1.8.14, 1.9.8, and 1.10.1.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
1.10.0 ≤ v < 1.10.11.3.0 ≤ v < 1.8.141.9.0 ≤ v < 1.9.8
Affected range stops below 1.10.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.8.14, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.9.8, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (4)
x_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://discuss.hashicorp.com/t/hcsec-2021-17-consul-s-envoy-tls-configuration-did-not-validate-destination-service-subject-alternative-names/26856x_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://github.com/hashicorp/consul/releases/tag/v1.10.1Vendor Advisoryx_refsource_GENTOOThird Party Advisory
Source: [email protected]
https://security.gentoo.org/glsa/202208-09x_refsource_MISCVendor Advisory
Source: [email protected]
https://www.hashicorp.com/blog/category/consulCVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- HIGH
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-295
Get alerted
Stop reading CVE feeds looking for your own stack
Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.
Free plan, no card