Ivanti Connect Secure Authentication Bypass by Spoofing Vulnerability
Authentication bypass by spoofing in ICS before version 25.1.3.0 allows a remote unauthenticated attacker to execute arbitrary commands. This does not impact ICS version 22.7R2.14 or prior.
What happened
Authentication bypass by spoofing in ICS before version 25.1.3.0 allows a remote unauthenticated attacker to execute arbitrary commands. This does not impact ICS version 22.7R2.14 or prior.
CISA lists it as exploited, added 13 Oct 2026.
Does it affect you
Names Ivanti Connect Secure. Enter the product and version you run to place it against the affected range the vendor published.
What to do
- Follow the vendor advisory for the fixed release and any interim mitigation.
hub.ivanti.com - Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
cisa.gov
CISA’s notes for this entry:
Affected, as published to NVD
- ivanti-cs
- Ivanti Connect Secure: exactly 22.8
The record
- NVD status
- Analyzed
- Published
- 13 Oct 2026, last modified 13 Oct 2026 (NVD)
- Severity
- CVSS 3.1 base score 8.6, High — computed here from the vector; NVD states 8.6.
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
- Weakness
- CWE-290 Authentication Bypass by Spoofing (NVD; names by MITRE)
- Exploitation
- Listed in CISA’s Known Exploited Vulnerabilities catalogue since 13 Oct 2026; federal remediation due 16 Oct 2026. CISA entry
- Exploit probability
- EPSS 26.0%, 98th percentile — FIRST, scored 23 Oct 2026. FIRST EPSS
- Vendor
- Ivanti · Connect Secure (CISA)
References on the NVD record
Reporting that names this identifier
- Ivanti Zero-Day Chain Gave Attackers Root Access to Fully Patched VPN — SecurityWeek, 11 d ago
- CISA Urges Patching Newly Exploited Vulnerability in Ivanti Connect Secure — CISA, 12 d ago
- CISA Adds Two Known Exploited Vulnerabilities to Catalog — CISA, 12 d ago
Sources
The verdict above is computed from the products and versions you entered and the affected ranges the vendor published to NVD. It does not inspect your environment, and this site never reports a product as unaffected: why.