CVE-2025-21545 is a high-severity vulnerability in the Oracle PeopleSoft Enterprise PeopleTools product, specifically within the OpenSearch component. The vulnerability affects supported versions 8.60 and 8.61. It is classified as easily exploitable, allowing unauthenticated attackers with network access via HTTP to compromise the PeopleSoft Enterprise PeopleTools system. Successful exploitation can result in unauthorized denial of service (DoS), causing the system to hang or crash repeatedly.
The CVSS 3.1 base score for this vulnerability is 7.5, indicating a high severity level, particularly due to the significant impact on availability. This highlights the criticality of addressing the vulnerability in a timely manner.
Organizations should prioritize patching affected versions immediately to mitigate the potential risks associated with this vulnerability. The availability impacts associated with CVE-2025-21545 require urgent attention from security teams, especially those managing Oracle PeopleSoft systems.
As of now, there are no confirmed public exploits for this vulnerability; however, the lack of known mitigations emphasizes the need for immediate action from organizations utilizing the affected versions.
To ensure effective remediation, security teams are advised to stay updated with Oracle's security advisories and promptly apply any provided patches.
Vulnerability Details
The vulnerability allows an unauthenticated attacker to exploit the PeopleSoft Enterprise PeopleTools via HTTP, leading to a denial of service condition. The official CVE description states that this vulnerability can cause frequent and repeatable crashes of the affected system.
CVE-2025-21545 has a CVSS score of 7.5, classified as high severity, with an attack vector of network, low attack complexity, and no privileges or user interaction required. The availability impact is rated as high, while confidentiality and integrity impacts are rated as none.
Technical Analysis
The root cause of this vulnerability lies in the OpenSearch component of the PeopleSoft Enterprise PeopleTools. The vulnerability is accessible remotely, requiring no authentication. With low attack complexity, an attacker can exploit this vulnerability with minimal effort.
As there are no privileges required for exploitation, any user with network access can trigger the vulnerability. User interaction is not necessary for an attack to be successful. Given the nature of the attack, the potential impact on availability is critical, as it can lead to system unavailability.
Risk & Impact Analysis
The risk to organizations includes potential downtime and disruption to business processes relying on PeopleSoft Enterprise PeopleTools. Exploiting this vulnerability could lead to significant operational impacts, especially for organizations that depend heavily on this system for their operations.
Organizations should consider the blast radius of this vulnerability. If exploited, the impact could cascade to various business functions that utilize the PeopleSoft system, amplifying the urgency for immediate remediation.
Given the CVSS score and the current status of the vulnerability, organizations should address this issue in their priority patch cycle. Failure to act could lead to operational disruptions and potential loss of service.
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The vulnerability affects the following versions of Oracle PeopleSoft Enterprise PeopleTools: 8.60 and 8.61. Organizations must ensure that they are running patched versions to mitigate the risk associated with this vulnerability.
Mitigation & Remediation
To remediate CVE-2025-21545, organizations should promptly apply the latest patches provided by Oracle. For those unable to apply patches immediately, alternative workarounds should be considered, such as implementing network controls to restrict access to the affected systems.
Regular security assessments, including penetration testing, can help identify and mitigate similar vulnerabilities in the future, ensuring the security of PeopleSoft systems.
Detection Guidance
Organizations should monitor logs for unusual patterns or frequent crashes related to the PeopleSoft Enterprise PeopleTools. Behavioral anomalies, such as unexpected service interruptions, should also be flagged for further investigation.
AppSecure Threat Intelligence Insight
CVE-2025-21545 represents a notable example of how easily exploitable vulnerabilities can impact critical business applications. Organizations should learn from this case to enhance their security postures, ensuring that similar vulnerabilities are addressed proactively in the future.
Implementing a robust vulnerability management program and conducting regular security testing, such as penetration testing methodology, are essential steps in mitigating risks associated with vulnerabilities like CVE-2025-21545.
Organizations should also consider leveraging security testing best practices to ensure a comprehensive approach to their cybersecurity efforts.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.

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