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-2021-41802

20
FAUCET Score

CVE-2021-41802 is a medium-severity vulnerability affecting HashiCorp Vault and Vault Enterprise versions up to 1.7.4 and 1.8.3. It allows a low-privileged user with write access to an entity alias ID, shared with another user, to gain the other user's policies by merging their identities. The vulnerability has a CVSS score of 5.4, indicating a low attack complexity and potential for limited confidentiality and integrity impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.7.5CPE matchmatch criteria
cpe:2.3:a:hashicorp:vault:*:*:*:*:-:*:*:*
< 1.7.5CPE matchmatch criteria
cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:*
>= 1.8.0, < 1.8.4CPE matchmatch criteria
cpe:2.3:a:hashicorp:vault:*:*:*:*:-:*:*:*
>= 1.8.0, < 1.8.4CPE matchmatch criteria
cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:*

CVSS Data

CVSS version used by this source: 3.1

2.9LOW

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

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.2
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.59%
Probability of exploitation in next 30 days
EPSS Percentile
44.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0059 is in the 55th percentile among its peer group of 21,974 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (2)

gopatch availablevia ghsa
Product: github.com/hashicorp/vaultFixed in: 1.7.5
gopatch availablevia ghsa
Product: github.com/hashicorp/vaultFixed in: 1.8.4

Vendor Advisories (2)

goGHSA-qv95-g3gm-x542low

Hashicorp Vault Privilege Escalation Vulnerability

Oct 12, 2021
redhatCVE-2021-41802Moderate

vault: Incorrect Permission Assignment for Critical Resource

Oct 8, 2021

References

discuss.hashicorp.com / t/hcsec-2021-27-vault-merging-multiple-entity-aliases-for-the-same-mount-may-allow-privilege-escalation
Vendor Advisory
security.gentoo.org / glsa/202207-01
Third Party Advisory