What is the CVSS score of CVE-2025-5462?

CVE-2025-5462 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.6%.

Which versions of Connect Secure are affected by CVE-2025-5462?

Organizations using Ivanti Connect Secure face notable risk from CVE-2025-5462, a heap-based buffer overflow vulnerability rated CVSS 7.5.

How to fix or mitigate CVE-2025-5462?

Within 30 days: Identify all affected systems running Ivanti Connect Secure and apply vendor patches as part of regular patch cycle. If patching is delayed, consider network segmentation to limit exposure.

Connect Secure CVE-2025-5462

HIGH

Heap-based Buffer Overflow (CWE-122)

2025-08-12 3c1d8aa1-5a33-4ea4-8992-aadd6440af75

Buffer Overflow Denial Of Service Heap Overflow Ivanti Connect Secure Policy Secure Zero Trust Access Gateway Neurons For Secure Access

7.5

CVSS 3.1

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:06 vuln.today

CVE Published

Aug 12, 2025 - 15:15 nvd

HIGH 7.5

DescriptionNVD

A heap-based buffer overflow in Ivanti Connect Secure before 22.7R2.8 or 22.8R2, Ivanti Policy Secure before 22.7R1.5, Ivanti ZTA Gateway before 22.8R2.3-723 and Ivanti Neurons for Secure Access before 22.8R1.4 (Fix deployed on 02-Aug-2025) allows a remote unauthenticated attacker to trigger a denial of service.

AnalysisAI

A heap-based buffer overflow in Ivanti Connect Secure before 22.7R2.8 or 22.8R2, Ivanti Policy Secure before 22.7R1.5, Ivanti ZTA Gateway before 22.8R2.3-723 and Ivanti Neurons for Secure Access. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-122. A heap-based buffer overflow in Ivanti Connect Secure before 22.7R2.8 or 22.8R2, Ivanti Policy Secure before 22.7R1.5, Ivanti ZTA Gateway before 22.8R2.3-723 and Ivanti Neurons for Secure Access before 22.8R1.4 (Fix deployed on 02-Aug-2025) allows a remote unauthenticated attacker to trigger a denial of service. Affected products include: Ivanti Connect Secure, Ivanti Policy Secure, Ivanti Zero Trust Access Gateway, Ivanti Neurons For Secure Access. Version information: before 22.7.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.