CVE-2021-3282: Github.com/hashicorp/vault Improper Authentication Vulnerability

HIGH
Advisory Identifier: GHSA-rq95-xf66-j689
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CVSS 7.5
CWE-287
Published
Advisory Summary

CVE-2021-3282 is a HIGH (CVSS 7.5) improper authentication vulnerability (CWE-287: Improper Authentication) affecting Github.com/hashicorp/vault libraries in the Go ecosystem. The issue involves improper authentication in hashicorp vault. Remediation is available by upgrading affected packages to version 1.6.2.

CVE-2021-3282 at a Glance

CVE Identifier CVE-2021-3282
GHSA Identifier GHSA-rq95-xf66-j689
Severity HIGH
CVSS v3.1 Base Score 7.5
CWE Classification CWE-287: Improper Authentication
Affected Product Github.com/hashicorp/vault
Package Ecosystem Go
Published Date
Last Updated

Security Impact

CVSS: 7.5

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required None (PR:N)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality None (C:N)
Integrity High (I:H)
Availability None (A:N)

How to Fix CVE-2021-3282

To remediate this vulnerability, upgrade all affected Github.com/hashicorp/vault dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

github.com/hashicorp/vault fixed: 1.6.2 
Upgrade github.com/hashicorp/vault to 1.6.2
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

inspect dependencies for github.com/hashicorp/vault

How to Check if You Are Affected

To determine whether your application is affected by CVE-2021-3282, inspect your project dependencies for Github.com/hashicorp/vault:

inspect dependencies for github.com/hashicorp/vault

Analyze the terminal output to locate any version of Github.com/hashicorp/vault in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 1.6.2), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-287: Improper Authentication, where when an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. In Github.com/hashicorp/vault, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

HashiCorp Vault Enterprise 1.6.0 & 1.6.1 allowed the `remove-peer` raft operator command to be executed against DR secondaries without authentication. Fixed in 1.6.2.

CVE-2021-3282 Affected Github.com/hashicorp/vault Versions

1 component(s)
Fixed Versions:
1.6.2
Product / Package Ecosystem Affected Versions Fixed Version
github.com/hashicorp/vault
golang/github.com/hashicorp/vault
Go
≥ 1.6.0
< 1.6.2
1.6.2

References

NVD — CVE-2021-3282 NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-3282
Security Fix Commit FIX COMMIT
https://github.com/hashicorp/vault/commit/09f9068e22f762da123160233518b440e00bdb3b
discuss.hashicorp.com/t/hcsec-2021-04-vau... WEB
https://discuss.hashicorp.com/t/hcsec-2021-04-vault-enterprise-s-dr-secondaries-allowed-raft-peer-removal-without-authentication/20337
Github.com/hashicorp/vault Security Information SECURITY
https://security.gentoo.org/glsa/202207-01

Frequently Asked Questions

What is CVE-2021-3282?
CVE-2021-3282 is a security vulnerability in Github.com/hashicorp/vault involving Improper Authentication in HashiCorp Vault under CWE-287: Improper Authentication.
Which Github.com/hashicorp/vault versions are affected?
Affected versions include releases prior to 1.6.2 across affected packages: github.com/hashicorp/vault.
What version fixes CVE-2021-3282?
Upgrading to 1.6.2 (or the latest patched release for your respective branch) resolves the vulnerability.
Is github.com/hashicorp/vault affected?
Yes, github.com/hashicorp/vault is affected in releases prior to 1.6.2. Upgrade your dependency to 1.6.2 or later.
What is the CVSS score of CVE-2021-3282?
CVE-2021-3282 has a CVSS v3.1 base score of 7.5 (HIGH) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
What CWE is associated with CVE-2021-3282?
CVE-2021-3282 is classified under CWE-287: Improper Authentication (When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.).
How can I check Go dependencies for CVE-2021-3282?
Run the dependency tree command: 'inspect dependencies for github.com/hashicorp/vault'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-rq95-xf66-j689",
  "modified" : "2024-01-31T23:22:08Z",
  "published" : "2024-01-31T23:22:08Z",
  "aliases" : [ "CVE-2021-3282" ],
  "summary" : "Improper Authentication in HashiCorp Vault",
  "details" : "HashiCorp Vault Enterprise 1.6.0 & 1.6.1 allowed the `remove-peer` raft operator command to be executed against DR secondaries without authentication. Fixed in 1.6.2.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Go",
      "name" : "github.com/hashicorp/vault"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "1.6.0"
      }, {
        "fixed" : "1.6.2"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2021-3282"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/hashicorp/vault/commit/09f9068e22f762da123160233518b440e00bdb3b"
  }, {
    "type" : "WEB",
    "url" : "https://discuss.hashicorp.com/t/hcsec-2021-04-vault-enterprise-s-dr-secondaries-allowed-raft-peer-removal-without-authentication/20337"
  }, {
    "type" : "WEB",
    "url" : "https://security.gentoo.org/glsa/202207-01"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-287" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2024-01-31T23:22:08Z",
    "nvd_published_at" : "2021-02-01T16:15:00Z"
  }
}