Vulnerability in HashiCorp Vault (CVE-2021-41802)
Summary
Vulnerability in HashiCorp Vault (CVE-2021-41802). Risk of unauthorized operations or information disclosure.
Original description
The description as published by the source.
HashiCorp Vault and Vault Enterprise through 1.7.4 and 1.8.3 allowed a user with write permission to an entity alias ID sharing a mount accessor with another user to acquire this other user’s policies by merging their identities. Fixed in Vault and Vault Enterprise 1.7.5 and 1.8.4.
Source: OSV.dev (Open Source Vulnerabilities) NVD GitHub Advisory OSV
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as CVE-2021-41802 has been found in HashiCorp Vault.
Risk of unauthorized operations or information disclosure.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "HashiCorp Vault CVE-2021-41802" on the vendor's site.
CVE-2021-41802 (HashiCorp Vault)
Attack vector: remote (network-reachable) / no user interaction
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
A vulnerability (unclassified) exists in HashiCorp Vault.
Check the vendor advisory for the affected versions of HashiCorp Vault.
Severity: ?. Risk of unauthorized operations or information disclosure.
Update to the patched release per vendor advisory.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Audit SBOM/dependencies to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
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1Identify exposure identify
Audit SBOM/dependencies for affected components.資産台帳・SBOM・依存マニフェストで HashiCorp Vault を使っているサービスとバージョンを洗い出す。
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2Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
Affected packages
References
- advisory discuss.hashicorp.com
- advisory security.gentoo.org
- package github.com
- web nvd.nist.gov
- web discuss.hashicorp.com