Cisco ISE ↗
Summary iPlain-English security verdict for Cisco ISE, generated from its current health score, actively-exploited vulnerabilities, and latest supported version.
Cisco ISE currently scores 14/100 — critical, with active exploitation. 1 of its known vulnerability is being actively exploited in the wild (CISA KEV), including CVE-2021-44228. Upgrade immediately and review your exposure to the actively-exploited CVEs below.
Disclosure trend iNew CVEs published for Cisco ISE each year (NVD). A higher bar means more disclosures that year — more scrutiny, not necessarily less safe.
1 of its known vulnerability is linked to ransomware campaigns (CISA KEV).
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.
Most urgent first — actively exploited, then likeliest to be exploited.
CVE-2021-44228 CRITICAL exploited ransomware Improper input validation EPSS 100% → fixed in 2.4.0 CVE-2026-20147 CRITICAL Command injection EPSS 11% → fixed in 3.1.0 CVE-2026-20186 CRITICAL Command injection EPSS 6% → fixed in 3.2.0 CVE-2026-20180 CRITICAL Path traversal EPSS 6% → fixed in 3.2.0 CVE-2026-20181 CRITICAL Path traversal EPSS 1% → fixed in 3.3.0Get alerted about Cisco ISE
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Frequently asked
Is Cisco ISE safe and patched?
Cisco ISE currently scores 14/100 — critical, with active exploitation. 1 of its known vulnerability is being actively exploited in the wild (CISA KEV), including CVE-2021-44228. Upgrade immediately and review your exposure to the actively-exploited CVEs below.
What should I do about Cisco ISE now?
Review the patch-priority list, apply the available fixes (or move to the latest release), and confirm against Cisco's official advisory. Some issues are under active exploitation, so treat this as urgent.
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 Cisco's official advisory before you patch or upgrade — Cisco ISE official site ↗