Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2021-32574

25
FAUCET Score

CVE-2021-32574 describes a critical vulnerability in HashiCorp Consul and Consul Enterprise versions 1.3.0 through 1.10.0, where the Envoy proxy TLS configuration fails to validate the destination service identity within the subject alternative name. This flaw carries a CVSS score of 7.5 (High), indicating it can be exploited remotely with low attack complexity to achieve high integrity impact without user interaction. While no public exploits, Metasploit modules, or Nuclei templates are currently available, and there is minimal community discussion or media coverage, organizations should prioritize patching to versions 1.8.14, 1.9.8, or 1.10.1 to mitigate this risk.

Impacted Technologies

VendorProductVersion(s)CPE
>= 1.3.0, < 1.8.14CPE matchmatch criteria
cpe:2.3:a:hashicorp:consul:*:*:*:*:-:*:*:*
>= 1.3.0, < 1.8.14CPE matchmatch criteria
cpe:2.3:a:hashicorp:consul:*:*:*:*:enterprise:*:*:*
>= 1.9.0, < 1.9.8CPE matchmatch criteria
cpe:2.3:a:hashicorp:consul:*:*:*:*:-:*:*:*
>= 1.9.0, < 1.9.8CPE matchmatch criteria
cpe:2.3:a:hashicorp:consul:*:*:*:*:enterprise:*:*:*
>= 1.10.0, < 1.10.1CPE matchmatch criteria
cpe:2.3:a:hashicorp:consul:*:*:*:*:-:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.46%
Probability of exploitation in next 30 days
EPSS Percentile
70.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0146 is in the 52nd percentile among its peer group of 51,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

gopatch availablevia ghsa
Product: github.com/hashicorp/consulFixed in: 1.10.1

Vendor Advisories (1)

goGHSA-25gf-8qrr-g78rhigh

Hashicorp Consul Missing SSL Certificate Validation

Jul 19, 2021

References

discuss.hashicorp.com / t/hcsec-2021-17-consul-s-envoy-tls-configuration-did-not-validate-destination-service-subject-alternative-names/26856
Vendor Advisory
github.com / hashicorp/consul/releases/tag/v1.10.1
Third Party Advisory
security.gentoo.org / glsa/202208-09
Third Party Advisory
hashicorp.com / blog/category/consul
Vendor Advisory