CVE-2021-41805
An ACL token (with the default operator:write permissions) in one namespace can be used for unintended privilege escalation in a different namespace.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 34.8%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 34.79% probability · 98th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-863
- Affected
- hashicorp/consul
- Source
- cve@mitre.org
EPSS 34.8% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://discuss.hashicorp.com/t/hcsec-2021-29-consul-enterprise-namespace-default-acls-allow-privilege-escalation/31871Vendor Advisory
- https://security.netapp.com/advisory/ntap-20211229-0007/Third Party Advisory
- https://www.hashicorp.com/blog/category/consulProduct, Vendor Advisory
- https://discuss.hashicorp.com/t/hcsec-2021-29-consul-enterprise-namespace-default-acls-allow-privilege-escalation/31871Vendor Advisory
- https://security.netapp.com/advisory/ntap-20211229-0007/Third Party Advisory
- https://www.hashicorp.com/blog/category/consulProduct, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.