Hashicorp
CVE-2021-38698
MEDIUM
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Lifecycle Timeline
1DescriptionNVD
HashiCorp Consul and Consul Enterprise 1.10.1 Txn.Apply endpoint allowed services to register proxies for other services, enabling access to service traffic. Fixed in 1.8.15, 1.9.9 and 1.10.2.
AnalysisAI
HashiCorp Consul and Consul Enterprise 1.10.1 Txn.Apply endpoint allowed services to register proxies for other services, enabling access to service traffic. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified as Missing Authorization (CWE-862), which allows attackers to access resources or perform actions without proper authorization checks. HashiCorp Consul and Consul Enterprise 1.10.1 Txn.Apply endpoint allowed services to register proxies for other services, enabling access to service traffic. Fixed in 1.8.15, 1.9.9 and 1.10.2. Affected products include: Hashicorp Consul.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement role-based access control, validate authorization on every request server-side, apply principle of least privilege.
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Same weakness CWE-862 – Missing Authorization
View allSame technique Authentication Bypass
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External POC / Exploit Code
Leaving vuln.today