Vulnerability Database

296,733

Total vulnerabilities in the database

CVE-2021-39156

Istio is an open source platform for providing a uniform way to integrate microservices, manage traffic flow across microservices, enforce policies and aggregate telemetry data. Istio 1.11.0, 1.10.3 and below, and 1.9.7 and below contain a remotely exploitable vulnerability where an HTTP request with #fragment in the path may bypass Istio’s URI path based authorization policies. Patches are available in Istio 1.11.1, Istio 1.10.4 and Istio 1.9.8. As a work around a Lua filter may be written to normalize the path.

CVSS v3:

  • Severity: High
  • Score: 7.5
  • AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS v2:

  • Severity: Medium
  • Score: 5
  • AV:N/AC:L/Au:N/C:P/I:N/A:N

CWEs:

Software From Fixed in
istio / istio 1.11.0 1.11.1
istio / istio - 1.9.8
istio / istio 1.10.0 1.10.3
Go icon istio.io/istio - 1.9.8
Go icon istio.io/istio 1.10.0 1.10.4
Go icon istio.io/istio 1.11.0 1.11.0.x
Go icon istio.io/istio 1.11.0 1.11.1