CVE-2021-41805
mediumpriority · attend · 57OT risk · highEPSS 0.348 · 98 %ileexploit · PoCEUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.5–8.8
weaknesses
The CWE weakness classes this flaw belongs to.
exploits (2)
Public proof-of-concept and weaponised exploit code.
affected products (7)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- BIT-consul-2021-418052024-03-06vendor · osvUS
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.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (10)
External citations — patches, advisories, analysis.
- https://discuss.hashicorp.com/t/hcsec-2021-29-consul-enterprise-namespace-default-acls-allow-privilege-escalation/31871cnnvd
- https://security.netapp.com/advisory/ntap-20211229-0007/cnnvd
- https://www.cybersecurity-help.cz/vdb/SB2021121609cnnvd
- https://www.hashicorp.com/blog/category/consulcnnvd
- https://discuss.hashicorp.com/t/hcsec-2021-29-consul-enterprise-namespace-default-acls-allow-privilege-escalation/31871enisa_euvd
- https://security.netapp.com/advisory/ntap-20211229-0007/enisa_euvd
- https://www.hashicorp.com/blog/category/consulenisa_euvd
- https://discuss.hashicorp.com/t/hcsec-2021-29-consul-enterprise-namespace-default-acls-allow-privilege-escalation/31871Vendor Advisorynvd
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