CVE-2020-37281
Gravitee API Management through 4.12.22 Default JWT Secret Authentication Bypass
CVSS Score
8.1
EPSS Score
0.0%
EPSS Percentile
0th
Gravitee API Management through 4.12.22 contains an authentication bypass vulnerability that allows unauthenticated remote attackers to impersonate any user by forging JWTs signed with the shipped default jwt.secret. Attackers knowing an existing user ID can sign an HS256 token with that subject and present it as a bearer token to the Management API, impersonating administrators to gain full platform control.
| CWE | CWE-1394 |
| Vendor | gravitee |
| Product | gravitee api management |
| Published | Oct 14, 2026 |
| Last Updated | Oct 14, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
Gravitee / Gravitee API Management
0 ≤ 4.12.22
References
github.com: https://github.com/gravitee-io/issues/issues/4204 github.com: https://github.com/gravitee-io/gravitee-api-management/blob/4.12.22/gravitee-apim-rest-api/gravitee-apim-rest-api-standalone/gravitee-apim-rest-api-standalone-distribution/src/main/resources/config/gravitee.yml#L636-L637 github.com: https://github.com/gravitee-io/gravitee-api-management/blob/4.12.22/gravitee-apim-rest-api/gravitee-apim-rest-api-management/gravitee-apim-rest-api-management-security/src/main/java/io/gravitee/rest/api/management/security/config/BasicSecurityConfigurerAdapter.java#L157-L175 github.com: https://github.com/gravitee-io/gravitee-api-management/blob/4.12.22/helm/values.yaml#L103 github.com: https://github.com/gravitee-io/gravitee-docs/blob/master/pages/apim/3.x/how-tos/how-to-general-configuration.adoc vulncheck.com: https://www.vulncheck.com/advisories/gravitee-api-management-through-4.12.22-default-jwt-secret-authentication-bypass
Credits
William Pierson (Retro16)