CVE-2025-5456

highpriority · track · 0EPSS 0.011 · 66 %ileDEEUNLUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.12% (66th) EPSS

CVSS 7.5 · high

Is it mine?

28 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cert_bund · ncsc_nl

EPSS · scored 2026-10-27

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

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.5

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · ENISA EU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondaryexploitability 3.9 · impact 3.6

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · NCSC-NL NL

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-125USCWE-125US

affected products (28)

Products and version ranges known to be affected.

Ivanti Connect Secure <22.7R2.8all versionscert_bundDE
Ivanti Connect Secure <22.8R2all versionscert_bundDE
Ivanti Policy Secure <22.7R1.5all versionscert_bundDE
Ivanti Connect Secure< 22.7R2.8cert_bundDE
Ivanti Connect Secure< 22.8R2cert_bundDE
Ivanti Policy Secure< 22.7R1.5cert_bundDE
Ivanti Connect Secure< 22.7R2.8enisa_euvdEU
Ivanti Connect Secure< 22.8R2enisa_euvdEU
Ivanti Neurons for Secure< 22.8R1.4 (Fix deployed on 02-Aug-2025)enisa_euvdEU
Ivanti Policy Secure< 22.7R1.5enisa_euvdEU
Ivanti ZTA Gateway< 2.8R2.3-723enisa_euvdEU
Ivanti Connect Secure≤ vers:unknown/<22.8r2ncsc_nlNL
Ivanti Connect Secure≤ vers:unknown/22.7r2.8ncsc_nlNL
Ivanti Connect Secure≤ vers:unknown/22.8r2ncsc_nlNL
Ivanti Connect Secure≤ vers:unknown/<22.7r2.8ncsc_nlNL
Ivanti Neurons for Secure≤ vers:unknown/22.8r1.4(fixdeployedon02-aug-2025)ncsc_nlNL
Ivanti Neurons for Secure Access≤ vers:unknown/22.8r1.4(fixdeployedon02-aug-2025)ncsc_nlNL
Ivanti Policy Secure≤ vers:unknown/22.7r1.5ncsc_nlNL
Ivanti Policy Secure≤ vers:unknown/<22.7r1.5ncsc_nlNL
Ivanti ZTA Gateway≤ vers:unknown/2.8r2.3-723ncsc_nlNL

showing 20 of 28

advisories (2)

Vendor and ecosystem advisories describing this.

NCSC-2025-0253Kwetsbaarheden verholpen in Ivanti Connect Secure, Policy Secure en ZTA GatewaysNL2025-08-13csaf · ncsc_nlNL
Ivanti heeft kwetsbaarheden verholpen in Connect Secure, Policy Secure en ZTA Gateways.
WID-SEC-W-2025-1774Ivanti Connect Secure und Policy Secure: Mehrere SchwachstelleDeutsch2025-08-12csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Ivanti Connect Secure und Ivanti Policy Secure ausnutzen, um einen Denial of Service Angriff durchzuführen und um vertrauliche Informationen offenzulegen.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund ncsc_nl NVD CVE.org MITRE

published 2025-08-12modified 2026-06-17

references (3)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan