CVE-2025-5456
📛 CVE Title
CVE-2025-5456
Description
A buffer over-read vulnerability in Ivanti Connect Secure before 22.7R2.8 or 22.8R2, Ivanti Policy Secure before 22.7R1.5, Ivanti ZTA Gateway before 2.8R2.3-723 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. CWE-125
Overview
- State
- PUBLISHED
- Assigner (CNA)
- ivanti
- CVSS severity
- HIGH
- CVSS score
- 7.5 / 10
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H- Effective score
- 7.5 / 10 HIGH source: CNA overview
- CWE(s)
-
CWE-125 - Reserved
- 2025-06-02
- Published
- 2025-08-12 16:50 UTC
- Last updated
- 2025-08-12 17:05 UTC
- Source
- https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2025/5xxx/CVE-2025-5456.json
- Linked Threat
- CVE-2025-5456 — CVE-2025-5456
NVD triage scoring NVD CVE 2.0
Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.
- EPSS score
- 0.0103 (probability of exploitation in next 30 days)
- EPSS percentile
- 59.20% vs all CVEs — higher = more likely to be exploited, as of 2026-06-18
NVD / KEV / EPSS data refreshed 2026-06-19 11:35 UTC. Re-run the 🛰 Backfill from NVD button above to refresh.
European Union Vulnerability Database ENISA EUVD
ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.
- EUVD ID
-
EUVD-2025-24254 - Assigner
- ivanti
- Published
- Aug 12, 2025, 2:50:46 PM
- Updated
- Aug 12, 2025, 3:05:53 PM
- EUVD base score (CVSS 3.1)
-
7.5 / 10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - EUVD-reported EPSS
- 0.6400
- Vendors
- Ivanti
- Products
-
Connect Secure (patch: 22.8R2)ZTA Gateway (patch: 2.8R2.3-723)Policy Secure (patch: 22.7R1.5)Neurons for Secure (patch: 22.8R1.4 (Fix deployed on 02-Aug-2025))Connect Secure (patch: 22.7R2.8)
- Aliases
-
GHSA-68xg-w9gf-2gr9
ENISA description: A buffer over-read vulnerability in Ivanti Connect Secure before 22.7R2.8 or 22.8R2, Ivanti Policy Secure before 22.7R1.5, Ivanti ZTA Gateway before 2.8R2.3-723 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. CWE-125
Affected products (4)
| Vendor | Product | Versions | Platforms |
|---|---|---|---|
| Ivanti | Connect Secure |
22.7R2.8 (unaffected),
22.8R2 (unaffected)
|
— |
| Ivanti | Policy Secure |
22.7R1.5 (unaffected)
|
— |
| Ivanti | ZTA Gateway |
2.8R2.3-723 (unaffected)
|
— |
| Ivanti | Neurons for Secure |
22.8R1.4 (Fix deployed on 02-Aug-2025) (unaffected)
|
— |
Vendor references (1)
References embedded in the original CVE record by the assigning CNA.
Web references (5)
DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.
- http://cwe.mitre.org/data/definitions/125.html rapid7:cwe.mitre.org
- https://attackerkb.com/topics/CVE-2025-5456 rapid7:attackerkb.com
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2025-24254 rapid7:euvd.enisa.europa.eu
- https://forums.ivanti.com/s/article/August-Security-Advisory-Ivanti-Connect-Secure-Policy-Secure-ZTA-Gateways-Multiple-CVEs?language=en_US rapid7:forums.ivanti.com
- https://www.cve.org/CVERecord?id=CVE-2025-5456 rapid7:www.cve.org
Remediations (10)
Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.
-
web:blog.talosintelligence.com
Microsoft has released its monthly security update for August 2025 , which includes 111 vulnerabilities affecting a range of products, including 13 that Microsoft marked as "critical".
2026-05-22 14:50 UTC -
web:cisa.gov
Update (08/12/ 2025 ): CISA has updated this alert to provide clarification on identifying Exchange Servers on an organization's networks and provided further guidance on running the Microsoft Exchange Health Checker. Update (08/07/ 2025 ): CISA issued Emergency Directive (ED) 25-02: Mitigate Microsoft Exchange Vulnerability in response to CVE - 2025 -53786
2026-05-22 14:50 UTC -
web:gbhackers.com
Microsoft has rolled out its August 2025 Patch Tuesday fixes, addressing a total of 107 vulnerabilities across its ecosystem.
2026-05-22 14:50 UTC -
web:krebsonsecurity.com
Microsoft Corp. today issued security updates to fix more than 80 vulnerabilities in its Windows operating systems and software. There are no known "zero-day" or actively exploited ...
2026-05-22 14:50 UTC -
web:petri.com
Windows Aug 13, 2025 August 2025 Patch Tuesday Updates Fix 107 Vulnerabilities Microsoft patches critical flaws and rolls out new Windows features in August 2025 update.
2026-05-22 14:50 UTC -
web:portal.msrc.microsoft.com
The Security Update Guide provides information on the latest Microsoft security updates, helping users understand and address potential vulnerabilities effectively.
2026-05-22 14:50 UTC -
web:www.cisecurity.org
<p>Multiple vulnerabilities have been discovered in Microsoft products, the most severe of which could allow for remote code execution. Successful exploitation of the most severe of these vulnerabilities could result in an attacker gaining the same privileges as the logged-on user. Depending on the privileges associated with the user, an attacker could then install programs; view, change, or ...
2026-05-22 14:50 UTC -
web:www.crowdstrike.com
Microsoft has released security updates for 107 vulnerabilities, including one publicly disclosed zero-day and 13 critical, in its August 2025 Patch Tuesday rollout.
2026-05-22 14:50 UTC -
web:www.rapid7.com
Microsoft is addressing 111 vulnerabilities this August 2025 Patch Tuesday, which is around average. This includes a single zero-day vulnerability in Windows Kerberos.
2026-05-22 14:50 UTC -
web:www.securityweek.com
Microsoft's August 2025 Patch Tuesday updates address critical vulnerabilities in Windows, Office, and Hyper-V.
2026-05-22 14:50 UTC
AI Forensic Analysis
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Raw JSON
The full cvelistV5 record. Download as CVE-2025-5456.json.
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