Portal: Unchecked Input for Loop Condition
CVE-2025-43801 is a high-severity unchecked input for loop condition vulnerability in Portal from Liferay, with a CVSS 3.1 base score of 7.5 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. Affected Portal versions: 7.4.0 through 7.4.3.111. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.4% chance of exploitation within 30 days, which is low compared with other CVEs.
High severity with no evidence of exploitation so far.
What to do
- Update Digital Experience Platform to 7.3 or 2023.Q3.5, whichever matches your release line, or a later version.
- Update Liferay Portal to 7.4.3.112 or a later version.
- Read the advisory on liferay.dev for workarounds and exact fixed builds.
- Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| Liferay | Portal | 7.4.0 through 7.4.3.111 | Not stated |
| Liferay | DXP | 7.3.10 through 7.3.10-u35; 7.4.13 through 7.4.13-u92; 2023.Q3.1 through 2023.Q3.4; 2023.Q4.0 | Not stated |
| Liferay | Digital Experience Platform | before 7.3; 2023.Q3.0 up to, but not including, 2023.Q3.5; 7.3; 7.4 | 7.3, 2023.Q3.5 |
| Liferay | Liferay Portal | before 7.4.3.112 | 7.4.3.112 |
Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- NetworkCan be exploited remotely over a network, including the internet.
- Attack complexity
- LowNo special conditions are needed; the attack works reliably.
- Privileges required
- NoneNo account or login is needed.
- User interaction
- NoneNo action by a victim is required.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- NoneNo data is disclosed.
- Integrity
- NoneNothing can be modified.
- Availability
- HighThe component can be taken down completely.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. Scored by NVD.
| Scoring system | Score | Severity | Scored by |
|---|---|---|---|
| CVSS 4.0 | 6.9 | Medium | CNA (liferay.com) |
| CVSS 3.1 | 7.5 | High | NVD |
Official description
Unchecked input for loop condition vulnerability in XML-RPC in Liferay Portal 7.4.0 through 7.4.3.111, and older unsupported versions, and Liferay DXP 2023.Q4.0, 2023.Q3.1 through 2023.Q3.4, 7.4 GA through update 92, 7.3 GA through update 35, and older unsupported versions allows remote attackers to perform a denial-of-service (DoS) attacks via a crafted XML-RPC request.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Unchecked Input for Loop Condition
The product does not properly check inputs that are used for loop conditions, potentially leading to a denial of service or other consequences because of excessive looping.
How developers prevent this class of flaw
- Do not use user-controlled data for loop conditions.
More Unchecked Input for Loop Condition vulnerabilities (CWE-606)
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: none, automatable: yes, technical impact: partial).
- Record last changed materially (score, affected products, status or references).
References
Advisories
Other vulnerabilities in Portal
- 7.5 High severity
- 7.5 High severity
Recent Unchecked Input for Loop Condition vulnerabilities
- 7.2 High severity
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