PT-2026-3121
CVE-2026-21907
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Published
2026-01-15
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Updated
2026-01-16
Description by
CVSS 3.1
5.9
MediumMetricsAV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Name of the Vulnerable Software and Affected Versions
Juniper Networks Junos Space versions prior to 24.1R5
Description
The TLS/SSL server in Juniper Networks Junos Space allows the use of static key ciphers, which reduces the confidentiality of on-path traffic. These ciphers do not support Perfect Forward Secrecy (PFS), impacting the long-term confidentiality of encrypted communications.
Recommendations
Update to Junos Space version 24.1R5 or later.
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