CVE-2026-21907: high-severity vulnerability in Juniper Networks Junos Space
Junos Space: TLS/SSL server supports use of static key ciphers (ssl-static-key-ciphers)
Published
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.2epss 0.2%
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.
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N/AU:Y/RE:M/U:Green
Affected products
Juniper Networks · Junos SpaceRelated CVEs — Juniper Networks Junos Space
In the same product, most dangerous first.
CVE-2017-10622CRITICALJunos Space: Authentication bypass vulnerabilityEPSS 5.4%CVE-2020-1611MEDIUMJunos Space: Malicious HTTP packets sent to Junos Space allow an attacker to view all files on the device.EPSS 1.7%CVE-2018-0046HIGHJunos Space: Reflected Cross-site Scripting vulnerability in OpenNMSEPSS 1.6%CVE-2017-2306—CVE-2017-2306EPSS 1.6%CVE-2024-39563MEDIUMJunos Space: Remote Command Execution (RCE) vulnerability in web applicationEPSS 1.3%CVE-2017-2311—CVE-2017-2311EPSS 1.3%