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CVE-2025-22457

Ivanti Connect Secure, Policy Secure, and ZTA Gateways Stack-Based Buffer Overflow

9.0 CRITICALActively exploited (CISA KEV)Used in ransomwareEPSS 100.0%
  1. Published3 Apr 2025
  2. Added to CISA KEV4 Apr 2025
  3. Remediation due11 Apr 2025
Actively exploited (CISA KEV)

Ivanti Connect Secure, Policy Secure, and ZTA Gateways contains a stack-based buffer overflow vulnerability that allows a remote unauthenticated attacker to achieve remote code execution.

Added to KEV: 4 Apr 2025Federal remediation due: 11 Apr 2025Used in ransomware

Description

A stack-based buffer overflow in Ivanti Connect Secure before version 22.7R2.6, Ivanti Policy Secure before version 22.7R1.4, and Ivanti ZTA Gateways before version 22.8R2.2 allows a remote unauthenticated attacker to achieve remote code execution.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityHigh
Privileges requiredNone
User interactionNone
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected products

Ivanti Connect Secure< 22.7 · 22.7
Ivanti Policy Secure< 22.7 · 22.7
Ivanti Zero Trust Access Gateway< 22.8 · 22.8

Remediation

Fixed in
Ivanti Connect Secure≥ 22.7
Ivanti Policy Secure≥ 22.7
Ivanti Zero Trust Access Gateway≥ 22.8

Frequently asked

Is CVE-2025-22457 being actively exploited?

Yes. CVE-2025-22457 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 4 Apr 2025. It has been used in ransomware campaigns.

How severe is CVE-2025-22457?

CVE-2025-22457 has a CVSS 3.1 base score of 9.0, rated critical. EPSS estimates a 100.0% probability of exploitation.

Which products are affected by CVE-2025-22457?

Affected products include Ivanti Connect Secure, Ivanti Policy Secure, Ivanti Zero Trust Access Gateway.

How do I fix CVE-2025-22457?

Upgrade affected software to a fixed version, for example Ivanti Connect Secure 22.7, Ivanti Policy Secure 22.7, Ivanti Zero Trust Access Gateway 22.8 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-22457 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.