CVE-2025-43819Network attack vector

Stale-session reuse via misordered SAML filters

Published Sep 24, 2025 · Updated Sep 24, 2025

Insufficient session expiration in Liferay Portal and DXP allows remote attackers to reuse a stale user session through the SLO API. The SP Session Termination SAML portal filter runs after the Absolute Redirects Filter, which can reinitialize the HTTP session before termination invalidates it. Exploitation requires a previously issued user session and SAML single logout; reuse restores that user's authenticated context without creating a new account.

CVSS severity5.3
Medium
EPSS probability0.18%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Insufficient session expiration in Liferay Portal and DXP allows remote attackers to reuse a stale user session through the SLO API. The SP Session Termination SAML portal filter runs after the Absolute Redirects Filter, which can reinitialize the HTTP session before termination invalidates it. Exploitation requires a previously issued user session and SAML single logout; reuse restores that user's authenticated context without creating a new account.

The record

CVE
CVE-2025-43819
Published
Sep 24, 2025
Updated
Sep 24, 2025
Vendor
Liferay
Product
Liferay Portal
Classifications
CWE-613, T1550.004
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 24, 2025CVE publishedPublication date reported by the CVE source.
  2. Sep 24, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=7.4.3.121 <=7.4.3.131

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Liferay · Liferay Portalversion=7.4.3.121 <=7.4.3.131
Liferay · Liferay DXPversion=2024.Q1.1 <=2024.Q1.12; version=2024.Q2.0 <=2024.Q2.13; version=2024.Q3.1 <=2024.Q3.13; version=2024.Q4.0 <=2024.Q4.3

Published CVSS scores

5.3Liferay Inc.CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
6.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-613Insufficient Session Expiration
T1550.004Web Session Cookie

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo