ScreenOS
Summary iPlain-English security verdict for ScreenOS, generated from its current health score, actively-exploited vulnerabilities, and latest supported version.
ScreenOS currently scores 82/100 — good. No tracked vulnerabilities are currently known to be exploited in the wild. It's largely safe; apply minor updates as they appear.
Disclosure trend iNew CVEs published for ScreenOS each year (NVD). A higher bar means more disclosures that year — more scrutiny, not necessarily less safe.
Patch priority — what to act on iThe issues to fix first — actively exploited (CISA KEV) first, then by exploitation probability (EPSS), then severity. Each row's "→ fixed in" is the earliest version that patches it; "see advisory" means no fixed version is published.
No urgent unpatched issues identified. ✓
Get alerted about ScreenOS
Be emailed the moment ScreenOS gets a newly exploited vulnerability (CISA KEV) or a release reaches end of life. Free · double opt-in · unsubscribe anytime.
We email only on real events for ScreenOS — no marketing, no sharing, and we never know what you run. Track your whole stack →
Frequently asked
Is ScreenOS safe and patched?
ScreenOS currently scores 82/100 — good. No tracked vulnerabilities are currently known to be exploited in the wild. It's largely safe; apply minor updates as they appear.
What should I do about ScreenOS now?
Review the patch-priority list, apply the available fixes (or move to the latest release), and confirm against Juniper's official advisory.
Why is ScreenOS listed on IsItPatched?
ScreenOS was added automatically because CISA's Known Exploited Vulnerabilities (KEV) catalog flagged it as actively exploited in the wild. IsItPatched tracks its known CVEs, severity (CVSS), exploitation probability (EPSS) and KEV status from public data; its version and lifecycle mapping is verified over time.
lifecycle unknown — needs latest supported version
Informational only, from public data (NVD · CISA KEV · EPSS · endoflife.date), and can lag or miss vendor-specific fixes. Always confirm against Juniper's official advisory before you patch or upgrade.