Critical Alert 4 Active Exploits Detected Today

CVE-2026-93952 — Arista VeloCloud Orchestrator Improper Input Validation Vulnerability →
CVE-2026-94127 — F5 BIG-IP APM Heap-based Buffer Overflow Vulnerability →
CVE-2026-93616 — Check Point Multiple Products Path Traversal Vulnerability →
CVE-2026-85102 — Check Point Multiple Products Improper Certificate Validation Vulnerability →
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September 23, 2026

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CVE-2026-20237NVD

Vulnerability Summary

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC), engineering teams have conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities.

The vulnerabilities tracked by CVE-2026-20237 are related to improper input validation issues that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-20.
Severity Level
CRITICAL(9.1)
Published Date
Sep 16, 2026
Last Modified
Sep 18, 2026
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
0.33%Probability
Root Weakness (CWE)
CWE-20: Improper Input Validation ↗
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required.
CVSS v3.1 Base Metrics — Score 9.1 (CRITICAL)
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredHigh
User InteractionNone
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

Affected & Patched Versions

Affected Versions
  • Cisco Cisco Identity Services Engine Software >= 3.1.0
  • Cisco Cisco Identity Services Engine Software >= 3.1.0 p1
  • Cisco Cisco Identity Services Engine Software >= 3.1.0 p3
  • Cisco Cisco Identity Services Engine Software >= 3.1.0 p2
  • Cisco Cisco Identity Services Engine Software >= 3.2.0
  • Cisco Cisco Identity Services Engine Software >= 3.1.0 p4
  • Cisco Cisco Identity Services Engine Software >= 3.1.0 p5
  • Cisco Cisco Identity Services Engine Software >= 3.2.0 p1
  • Cisco Cisco Identity Services Engine Software >= 3.1.0 p6
  • Cisco Cisco Identity Services Engine Software >= 3.2.0 p2
  • Cisco Cisco Identity Services Engine Software >= 3.1.0 p7
  • Cisco Cisco Identity Services Engine Software >= 3.3.0
  • Cisco Cisco Identity Services Engine Software >= 3.2.0 p3
  • Cisco Cisco Identity Services Engine Software >= 3.2.0 p4
  • Cisco Cisco Identity Services Engine Software >= 3.1.0 p8
  • Cisco Cisco Identity Services Engine Software >= 3.2.0 p5
  • Cisco Cisco Identity Services Engine Software >= 3.2.0 p6
  • Cisco Cisco Identity Services Engine Software >= 3.1.0 p9
  • Cisco Cisco Identity Services Engine Software >= 3.3 Patch 2
  • Cisco Cisco Identity Services Engine Software >= 3.3 Patch 1
  • Cisco Cisco Identity Services Engine Software >= 3.3 Patch 3
  • Cisco Cisco Identity Services Engine Software >= 3.4.0
  • Cisco Cisco Identity Services Engine Software >= 3.2.0 p7
  • Cisco Cisco Identity Services Engine Software >= 3.3 Patch 4
  • Cisco Cisco Identity Services Engine Software >= 3.4 Patch 1
  • Cisco Cisco Identity Services Engine Software >= 3.1.0 p10
  • Cisco Cisco Identity Services Engine Software >= 3.3 Patch 5
  • Cisco Cisco Identity Services Engine Software >= 3.3 Patch 6
  • Cisco Cisco Identity Services Engine Software >= 3.4 Patch 2
  • Cisco Cisco Identity Services Engine Software >= 3.3 Patch 7
  • Cisco Cisco Identity Services Engine Software >= 3.4 Patch 3
  • Cisco Cisco Identity Services Engine Software >= 3.5.0
  • Cisco Cisco Identity Services Engine Software >= 3.4 Patch 4
  • Cisco Cisco Identity Services Engine Software >= 3.3 Patch 8
  • Cisco Cisco Identity Services Engine Software >= 3.2 Patch 8
  • Cisco Cisco Identity Services Engine Software >= 3.5 Patch 1
  • Cisco Cisco Identity Services Engine Software >= 3.3 Patch 9
  • Cisco Cisco Identity Services Engine Software >= 3.2 Patch 9
  • Cisco Cisco Identity Services Engine Software >= 3.4 Patch 5
  • Cisco Cisco Identity Services Engine Software >= 3.5 Patch 3
  • Cisco Cisco Identity Services Engine Software >= 3.5 Patch 2
  • Cisco Cisco Identity Services Engine Software >= 3.3 Patch 10
  • Cisco Cisco Identity Services Engine Software >= 3.3 Patch 11
  • Cisco Cisco Identity Services Engine Software >= 3.4 Patch 6
  • Cisco Cisco Identity Services Engine Software >= 3.2 Patch 10
  • Cisco Cisco Identity Services Engine Software >= 3.1.0 p72
  • Cisco Cisco Identity Services Engine Software >= 3.1.0 p11
  • Cisco Cisco ISE Passive Identity Connector >= 3.2.0
  • Cisco Cisco ISE Passive Identity Connector >= 3.1.0
  • Cisco Cisco ISE Passive Identity Connector >= 3.3.0
  • Cisco Cisco ISE Passive Identity Connector >= 3.4.0
  • Cisco Cisco ISE Passive Identity Connector >= 3.5.0
Patched Versions
Not provided by cveorg for this CVE.
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♾️Unlimited Vendors — Track your entire stack.
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⚙️Custom EPSS — Filter noise, focus on risk.
💬Webhooks — Slack & Teams integration.
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External References