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CVE-2025-53192: CWE-146 Improper Neutralization of Expression/Command Delimiters in Apache Software Foundation Apache Commons OGNL

High
VulnerabilityCVE-2025-53192cvecve-2025-53192cwe-146
Published: Mon Aug 18 2025 (08/18/2025, 20:09:31 UTC)
Source: CVE Database V5
Vendor/Project: Apache Software Foundation
Product: Apache Commons OGNL

Description

** UNSUPPORTED WHEN ASSIGNED ** Improper Neutralization of Expression/Command Delimiters vulnerability in Apache Commons OGNL. This issue affects Apache Commons OGNL: all versions. When using the API Ognl.getValue​, the OGNL engine parses and evaluates the provided expression with powerful capabilities, including accessing and invoking related methods, etc. Although OgnlRuntime attempts to restrict certain dangerous classes and methods (such as java.lang.Runtime) through a blocklist, these restrictions are not comprehensive. Attackers may be able to bypass the restrictions by leveraging class objects that are not covered by the blocklist and potentially achieve arbitrary code execution. As this project is retired, we do not plan to release a version that fixes this issue. Users are recommended to find an alternative or restrict access to the instance to trusted users. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

AI-Powered Analysis

AILast updated: 08/18/2025, 20:33:15 UTC

Technical Analysis

CVE-2025-53192 is a vulnerability classified under CWE-146, indicating improper neutralization of expression or command delimiters in the Apache Commons OGNL (Object-Graph Navigation Language) library. OGNL is a powerful expression language used to dynamically access and invoke methods and properties in Java objects. The vulnerability arises in the Ognl.getValue API, where the OGNL engine parses and evaluates expressions with extensive capabilities, including method invocation. Although the runtime attempts to restrict access to dangerous classes and methods such as java.lang.Runtime via a blocklist, this restriction is incomplete. Attackers can bypass these controls by leveraging class objects not covered by the blocklist, potentially enabling arbitrary code execution. This is particularly critical because arbitrary code execution can lead to full system compromise. The Apache Commons OGNL project is retired, and no patches or fixes will be released. Users are advised to migrate to alternative libraries or restrict access to trusted users only. The vulnerability affects all versions of Apache Commons OGNL, and no known exploits are currently reported in the wild. The lack of a patch and the retirement of the project increase the risk for systems still relying on this library, especially in legacy or unmaintained environments.

Potential Impact

For European organizations, the impact of this vulnerability can be significant, especially for those using legacy Java applications or frameworks that depend on Apache Commons OGNL. Successful exploitation could allow attackers to execute arbitrary code remotely, leading to data breaches, disruption of services, or lateral movement within networks. Confidentiality, integrity, and availability of affected systems could be severely compromised. Given that the project is retired and no fixes will be issued, organizations face prolonged exposure unless they undertake remediation efforts. This is particularly concerning for sectors with stringent data protection requirements such as finance, healthcare, and government institutions in Europe. Additionally, the inability to patch the vulnerability may complicate compliance with regulations like GDPR, which mandates timely vulnerability management. The threat is exacerbated if the vulnerable OGNL instances are exposed to untrusted users or the internet, increasing the attack surface.

Mitigation Recommendations

Since no patches are forthcoming, European organizations should prioritize the following mitigations: 1) Identify and inventory all applications and services using Apache Commons OGNL. 2) Migrate to supported and secure alternatives that provide similar functionality without this vulnerability. 3) If migration is not immediately feasible, restrict access to vulnerable applications strictly to trusted internal users via network segmentation, firewalls, and access controls. 4) Employ runtime application self-protection (RASP) or web application firewalls (WAFs) with custom rules to detect and block suspicious OGNL expressions or exploitation attempts. 5) Conduct thorough code reviews and static analysis to identify unsafe OGNL usage patterns and refactor or remove them. 6) Monitor logs and network traffic for anomalous activity indicative of exploitation attempts. 7) Maintain up-to-date backups and incident response plans to mitigate potential damage from exploitation. These steps go beyond generic advice by emphasizing migration, access restriction, and active monitoring tailored to this retired and unpatched component.

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Technical Details

Data Version
5.1
Assigner Short Name
apache
Date Reserved
2025-06-27T10:05:36.733Z
Cvss Version
null
State
PUBLISHED

Threat ID: 68a38a67ad5a09ad00b1d067

Added to database: 8/18/2025, 8:17:43 PM

Last enriched: 8/18/2025, 8:33:15 PM

Last updated: 8/18/2025, 8:47:43 PM

Views: 2

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