CVE-2021-41802

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 users policies by merging their identities. Fixed in Vault and Vault Enterprise 1.7.5 and 1.8.4.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
2.9 LOW
ADJACENT_NETWORK
LOW
HIGH
CVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:C/C:L/I:N/A:N
mitreCNA
2.9 LOW
ADJACENT_NETWORK
LOW
HIGH
CVSS:3.1/AC:L/AV:A/A:N/C:L/I:N/PR:H/S:C/UI:R
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 37%
VendorProductVersion
hashicorpvault
𝑥
< 1.7.5
hashicorpvault
𝑥
< 1.7.5
hashicorpvault
1.8.0 ≤
𝑥
< 1.8.4
hashicorpvault
1.8.0 ≤
𝑥
< 1.8.4
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://discuss.hashicorp.com/t/hcsec-2021-27-vault-merging-multiple-entity-aliases-for-the-same-mount-may-allow-privilege-escalation/
https://security.gentoo.org/glsa/202207-01
https://discuss.hashicorp.com/t/hcsec-2021-27-vault-merging-multiple-entity-aliases-for-the-same-mount-may-allow-privilege-escalation/
https://security.gentoo.org/glsa/202207-01