VULNERABILITY INTELLIGENCE

CVE-2021-31349

CVSS score9.8 CRITICAL
EPSS probability1.72%
CISA KEVNot currently listed
Published2021-10-19
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

The usage of an internal HTTP header created an authentication bypass vulnerability (CWE-287), allowing an attacker to view internal files, change settings, manipulate services and execute arbitrary code. This issue affects all Juniper Networks 128 Technology Session Smart Router versions prior to 4.5.11, and all versions of 5.0 up to and including 5.0.1.

Weakness classification

  • sirt@juniper.net: CWE-287
  • nvd@nist.gov: NVD-CWE-noinfo

Primary references