Detections
Analytics

Juniper Networks Junos Space < 24.1R5 Use of a Broken or Risky Cryptographic Algorithm (JSA106006)

high Nessus Plugin ID 295032

Synopsis

The remote device is affected by a use of a broken or risky cryptographic algorithm vulnerability.

Description

The version of Juniper Networks Junos Space on the remote device is prior to 24.1R5. It is, therefore, affected by a use of a broken or risky cryptographic algorithm vulnerability:

 - A Use of a Broken or Risky Cryptographic Algorithm vulnerability in the TLS/SSL server of Juniper Networks Junos Space allows the use of static key ciphers (ssl-static-key-ciphers), reducing the confidentiality of on-path traffic communicated across the connection. These ciphers also do not support Perfect Forward Secrecy (PFS), affecting the long-term confidentiality of encrypted communications.This issue affects all versions of Junos Space before 24.1R5.
 (CVE-2026-21907)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Upgrade to Juniper Networks Junos Space version 24.1R5 or later.

See Also

http://www.nessus.org/u?3d3a6189

Plugin Details

Severity: High

ID: 295032

File Name: juniper_space_JSA106006.nasl

Version: 1.1

Type: local

Published: 1/22/2026

Updated: 1/22/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 5.4

Vector: CVSS2#AV:N/AC:H/Au:N/C:C/I:N/A:N

CVSS Score Source: CVE-2026-21907

CVSS v3

Risk Factor: Medium

Base Score: 5.9

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS v4

Risk Factor: High

Base Score: 8.2

Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N

Vulnerability Information

CPE: cpe:/a:juniper:junos_space

Required KB Items: Host/Junos_Space/version

Patch Publication Date: 1/14/2026

Vulnerability Publication Date: 1/14/2026

Reference Information

CVE: CVE-2026-21907

IAVA: 2026-A-0061