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CVE-2026-21907 (GCVE-0-2026-21907)

Vulnerability from cvelistv5 – Published: 2026-01-15 20:21 – Updated: 2026-01-15 21:12
VLAI
Title
Junos Space: TLS/SSL server supports use of static key ciphers (ssl-static-key-ciphers)
Summary
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.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-15 21:12 UTC
CWE
  • CWE-327 - Use of a Broken or Risky Cryptographic Algorithm
References
Impacted products
Vendor Product Version CPE status
Juniper Networks Junos Space Affected: 0 , < 24.1R5 (semver)
guessed Create a notification for this product.
Date Public
2026-01-14 17:00
Show details on NVD website

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