CVE-2025-5462 — Heap-based Buffer Overflow in Ivanti Connect Secure

CWE-122 — Heap-based Buffer OverflowCWE-20 — Improper Input Validation4 documents4 sources
Severity
7.5HIGHNVD
EPSS
0.6%
top 31.55%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Ivanti Connect SecureIvanti Neurons FOR Secure AccessIvanti Policy Secure+1 more
Timeline
PublishedAug 12

Description

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages4 packages

▶NVDivanti/policy_secure< 22.7+1
▶NVDivanti/connect_secure< 22.7+1
▶NVDivanti/neurons< 22.8+1

🔴Vulnerability Details

2
CVEList
CVE-2025-5462: A heap-based buffer overflow in Ivanti Connect Secure before 22↗2025-08-12
▶
GHSA
GHSA-ph7j-5qgh-2m7f: A heap-based buffer overflow in Ivanti Connect Secure before 22↗2025-08-12
▶

📋Vendor Advisories

1
Red Hat
kernel: net: let net.core.dev_weight always be non-zero↗2025-02-27
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CVE-2025-5462 — Heap-based Buffer Overflow in Ivanti | cvebase