CVE-2026-21907 — Junos Space: TLS/SSL server supports use of static key ciphers (ssl-static-key-ciphers)

CVE-2026-21907

Junos Space: TLS/SSL server supports use of static key ciphers (ssl-static-key-ciphers) PUBLISHED

Description (CNA)

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 (CNA)

Vendor / product	Versions
Juniper Networks / Junos Space	affected 0 before 24.1R5

CWE

CWE-327

References

https://supportportal.juniper.net/JSA106006
https://kb.juniper.net/JSA106006

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.