Skip to content
CVE PROGRAM SOURCE RECORD5.3 Medium

CVE-2021-31386

Junos OS: When using J-Web with HTTP an attacker may retrieve encryption keys via Person-in-the-Middle attacks.

Read JSON ↗CVE.org ↗
Status
Published
Published
Updated
Assigning organization
juniper

Description

A Protection Mechanism Failure vulnerability in the J-Web HTTP service of Juniper Networks Junos OS allows a remote unauthenticated attacker to perform Person-in-the-Middle (PitM) attacks against the device. This issue affects: Juniper Networks Junos OS 12.3 versions prior to 12.3R12-S20; 15.1 versions prior to 15.1R7-S11; 18.3 versions prior to 18.3R3-S6; 18.4 versions prior to 18.4R3-S10; 19.1 versions prior to 19.1R3-S7; 19.2 versions prior to 19.2R3-S4; 19.3 versions prior to 19.3R3-S4; 19.4 versions prior to 19.4R3-S6; 20.1 versions prior to 20.1R3-S2; 20.2 versions prior to 20.2R3-S3; 20.3 versions prior to 20.3R3-S1; 20.4 versions prior to 20.4R3; 21.1 versions prior to 21.1R3; 21.2 versions prior to 21.2R2.

Affected products

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

Juniper Networks Junos OS

  • 12.3 to < 12.3R12-S20affected
  • 15.1 to < 15.1R7-S11affected
  • 18.3 to < 18.3R3-S6affected
  • 18.4 to < 18.4R3-S10affected
  • 19.1 to < 19.1R3-S7affected
  • 19.2 to < 19.2R3-S4affected
  • 19.3 to < 19.3R3-S4affected
  • 19.4 to < 19.4R3-S6affected
  • 20.1 to < 20.1R3-S2affected
  • 20.2 to < 20.2R3-S3affected
  • 20.3 to < 20.3R3-S1affected
  • 20.4 to < 20.4R3affected
  • 21.1 to < 21.1R3affected
  • 21.2 to < 21.2R2affected

References