CVE-2021-41805
HIGH
8.8
CVSS Score
Published: December 12, 2021 at 04:51 AM UTC
Updated: June 17, 2026 at 04:08 AM UTC
1 product affected across 1 vendorConsul
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Severity
HIGH8.8
Exploit prediction
EPSS 35%
Description
HashiCorp Consul Enterprise before 1.8.17, 1.9.x before 1.9.11, and 1.10.x before 1.10.4 has Incorrect Access Control. An ACL token (with the default operator:write permissions) in one namespace can be used for unintended privilege escalation in a different namespace.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
1.10.0 ≤ v < 1.10.41.7.0 ≤ v < 1.8.171.9.0 ≤ v < 1.9.11
Affected range stops below 1.10.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.8.17, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.9.11, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (3)
x_refsource_MISCVendor Advisory
Source: [email protected]
https://discuss.hashicorp.com/t/hcsec-2021-29-consul-enterprise-namespace-default-acls-allow-privilege-escalation/31871x_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://security.netapp.com/advisory/ntap-20211229-0007/x_refsource_MISCProductVendor Advisory
Source: [email protected]
https://www.hashicorp.com/blog/category/consulCVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-863
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