Vulnerability Database

320,453

Total vulnerabilities in the database

CVE-2026-21907

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.

  • Published: Jan 15, 2026
  • Updated: Jan 16, 2026
  • CVE: CVE-2026-21907
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 5.9
  • AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

CWEs:

OWASP TOP 10:

Software From Fixed in
juniper / junos_space - 24.1
juniper / junos_space 24.1-r1 24.1-r1.x
juniper / junos_space 24.1-r2 24.1-r2.x
juniper / junos_space 24.1-r3 24.1-r3.x
juniper / junos_space 24.1-r4 24.1-r4.x