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CVE PROGRAM SOURCE RECORD8.0 High

CVE-2021-31355

Junos OS: Stored Cross-Site Scripting (XSS) vulnerability in captive portal

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Status
Published
Published
Updated
Assigning organization
juniper

Description

A persistent cross-site scripting (XSS) vulnerability in the captive portal graphical user interface of Juniper Networks Junos OS may allow a remote authenticated user to inject web script or HTML and steal sensitive data and credentials from a web administration session, possibly tricking a follow-on administrative user to perform administrative actions on the device. This issue affects Juniper Networks Junos OS: All versions, including the following supported releases: 12.3X48 versions prior to 12.3X48-D105; 15.1X49 versions prior to 15.1X49-D220; 18.3 versions prior to 18.3R3-S5; 18.4 versions prior to 18.4R3-S9; 19.1 versions prior to 19.1R3-S7; 19.2 versions prior to 19.2R3-S3; 19.3 versions prior to 19.3R3-S4; 19.4 versions prior to 19.4R3-S6; 20.1 versions prior to 20.1R3; 20.2 versions prior to 20.2R1-S1, 20.2R2; 20.3 versions prior to 20.3R2; 20.4 versions prior to 20.4R2; 21.1 versions prior to 21.1R2.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Juniper Networks Junos OS

  • 12.3X48 to < 12.3X48-D105affected
  • 15.1X49 to < 15.1X49-D220affected
  • 18.3 to < 18.3R3-S5affected
  • 18.4 to < 18.4R3-S9affected
  • 19.1 to < 19.1R3-S7affected
  • 19.2 to < 19.2R3-S3affected
  • 19.3 to < 19.3R3-S4affected
  • 19.4 to < 19.4R3-S6affected
  • 20.1 to < 20.1R3affected
  • 20.2 to < 20.2R1-S1, 20.2R2affected
  • 20.3 to < 20.3R2affected
  • 20.4 to < 20.4R2affected
  • 21.1 to < 21.1R2affected

References