Vulnerability Database

289,599

Total vulnerabilities in the database

CVE-2021-31920

Istio before 1.8.6 and 1.9.x before 1.9.5 has a remotely exploitable vulnerability where an HTTP request path with multiple slashes or escaped slash characters (%2F or %5C) could potentially bypass an Istio authorization policy when path based authorization rules are used.

  • Published: May 27, 2021
  • Updated: Apr 14, 2023
  • CVE: CVE-2021-31920
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 6.5
  • AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CVSS v2:

  • Severity: Low
  • Score: 4
  • AV:N/AC:L/Au:S/C:P/I:N/A:N

CWEs:

Software From Fixed in
istio / istio 1.9.0 1.9.5
istio / istio - 1.8.6