These pages are published after PatchSiren validates generated defensive summaries against stored public CVE and source evidence.
CVE-2015-7755 is a Juniper ScreenOS improper authentication vulnerability that CISA has listed in its Known Exploited Vulnerabilities catalog. The KEV entry points to Juniper’s out-of-cycle security bulletin for ScreenOS issues and instructs defenders to apply vendor mitigations promptly, or discontinue use of the product if mitigations are unavailable.
CVE-2025-21590 is a Juniper Junos OS vulnerability classified as improper isolation or compartmentalization and listed in CISA’s Known Exploited Vulnerabilities catalog on 2025-03-13. The vendor bulletin referenced in the source metadata describes the issue as allowing a local attacker with shell access to execute arbitrary code. Because it is already in KEV, defenders should treat it as a priority remedi [truncated]
CVE-2020-1631 is a Juniper Junos OS path traversal vulnerability that CISA added to its Known Exploited Vulnerabilities catalog on 2022-03-25. The provided official sources confirm known exploitation status, but they do not include detailed impact, affected versions, or attack prerequisites. Because it is a KEV-listed issue, organizations running Junos OS should treat remediation as urgent and follow Juni [truncated]