Unrated severityNVD Advisory· Published Jan 15, 2026· Updated Jan 15, 2026
Junos Space: TLS/SSL server supports use of static key ciphers (ssl-static-key-ciphers)
CVE-2026-21907
Description
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.
Affected products
2- Range: <24.1R5
- Juniper Networks/Junos Spacev5Range: 0
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
2- kb.juniper.net/JSA106006mitrevendor-advisory
- supportportal.juniper.net/JSA106006mitrevendor-advisory
News mentions
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