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 b…

published 2025-08-12 14 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-24253

cvss: 7.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.3%; EPSS 1.3% chance of exploitation in 30 days, percentile 69%
public exploits: 0; none known

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.

Patch / fix

fixed in 4

Ivanti Connect Secure 22.7R2.8, 22.8R2
Ivanti Policy Secure 22.7R1.5
Ivanti ZTA Gateway 22.8R2.3-723
Ivanti Neurons for Secure Access 22.8R1.4 (Fix deployed on 02-Aug-2025)

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 14 mo ago (2025-08-12)

Exploit prediction

1.25% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

Ivanti Connect Secure
Ivanti Policy Secure
Ivanti ZTA Gateway
Ivanti Neurons for Secure Access

Classification

Weakness

CWE-122 Heap-based Buffer Overflow

Technology feeds

Ivanti rss critical rss

References

forums.ivanti.com /s/article/August-Security-Advisory-Ivanti-Connect-Secure-Policy-Secure-ZTA-Gateways-Multiple-CVEs?language=en
vendor-advisory

Sources

CVE List CVE-2025-5462
NVD CVE-2025-5462

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary