Vulnerability · CVE-2025-5462
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
Published Aug 12, 2025 · catalog updated Aug 12, 2025 · Ivanti Neurons for Secure Access
Last checked Oct 29, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2025-5462. EPSS is 1.14%. Act only if a listed version of Ivanti Neurons for Secure Access is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- High7.5
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 1.14%
- Remediation
- Advisory link
- Affected products
- vendor Ivanti Neurons for Secure Access patch: 22.8R1.4 (Fix deployed on 02-Aug-2025)
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.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- vendor Ivanti Neurons for Secure Access patch: 22.8R1.4 (Fix deployed on 02-Aug-2025)patch: 22.8R1.4 (Fix deployed on 02-Aug-2025)
How to fix CVE-2025-5462
No stored fix
No vendor fix text is stored. Use the linked advisory before you change production.
Version check
Seen in patch: 22.8R1.4 (Fix deployed on 02-Aug-2025)
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2025-5462. EPSS is 1.14%. Act only if a listed version of Ivanti Neurons for Secure Access is installed.
Which versions are affected?
Compare what you have installed with Ivanti Neurons for Secure Access patch: 22.8R1.4 (Fix deployed on 02-Aug-2025) patch: 22.8R1.4 (Fix deployed on 02-Aug-2025). Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 1.14%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Aug 12, 2025 · EUVD
Detected
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.
Aug 12, 2025 · EUVD
Updated
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.
Sources
- CVE.orgVulnerability recordCVE-2025-5462
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2025-5462
30-day exploitation probability 1.14%
first.org - EUVDVulnerability recordEUVD-2025-24253
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 attacke
euvd.enisa.europa.eu
References
Freshness
Last verified in this catalog Oct 29, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- FIRST EPSSOct 23, 2026
- CVE.orgOct 21, 2026
- EUVDOct 20, 2026