CVE-2020-37281

9.2 CRITICAL 0.9% exploit odds No fix listed Auth & access

What it is

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.

At a glance

Exploitability: Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
Exploit odds: 0.9% chance of exploitation in the next 30 days (EPSS).
Fix: No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

2026-10-14 13:07 UTC ReservedThe CVE id was reserved by its CNA
2026-10-14 15:16 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-10-15 15:12 UTC Last updatedMost recent change to the record

Details

Published: 2026-10-14 15:16 UTC
Last modified: 2026-10-15 15:12 UTC
Exploit probability: 0.9% · EPSS, next 30 days
Weakness: CWE-1394
Record status: Deferred

Attack profile CVSS 4.0 · 9.2

Attack vector: Network
Complexity: High
Attack requirements: None
Privileges needed: None
User interaction: None
Confidentiality: High
Integrity: High
Availability: High

Raw vector

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

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References

NVD record · CVE.org record