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CVE-2025-31976: Medium Vulnerability in HCL BigFix Service Management

CVE-2025-31976 is a medium-severity vulnerability in HCL BigFix Service Management. Insufficiently protected credentials can be exploited during backend communication, posing a risk of misuse. Organizations should address this vulnerability promptly.

MEDIUMCVSS 4.8 · Published May 6, 2026

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CVE-2025-31976 is a medium-severity vulnerability affecting HCL BigFix Service Management (SM). This vulnerability allows insufficiently protected credentials for a short duration while communicating with a backend application, which could potentially be exploited by attackers if those credentials are exfiltrated. The CVSS score of 4.8 indicates a medium risk level, highlighting the importance of addressing this vulnerability.

The vulnerability has been classified as CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N, reflecting a network attack vector and high attack complexity, meaning that exploitation is not straightforward. Organizations running affected versions of HCL BigFix SM should be aware of the potential risks associated with this vulnerability and take appropriate action.

Risk to organizations includes potential misuse of credentials during backend communications. As the vulnerability is still undergoing analysis, no public exploit or proof-of-concept exists at this time. However, organizations should prioritize patching to mitigate risks associated with this vulnerability.

Organizations should address this vulnerability in their priority patch cycle to prevent potential exploitation and protect their systems.

Vulnerability Details

The official description states that HCL BigFix Service Management is vulnerable to insufficiently protected credentials for a short duration while communicating with a backend application. This vulnerability has been assigned the CVE IDs: CWE-200 and CWE-522, indicating issues related to information exposure and insufficiently protected credentials.

The primary CVSS score is 7.5, indicating a high severity classification, while the secondary CVSS score is 4.8, indicating a medium severity classification. The vulnerability affects version 23.0 of HCL BigFix Service Management.

Technical Analysis

The root cause of this vulnerability lies in the insufficient protection of credentials during a short communication duration with a backend application. The attack vector is network-based, requiring no privileges and no user interaction, which increases the risk of exploitation. The attack complexity is categorized as high, meaning that successful exploitation may require advanced knowledge or specialized tools.

Confidentiality and integrity impacts are rated as low, while availability impact is none. This means that while unauthorized access to sensitive information might be possible, the overall system availability is not affected.

Risk & Impact Analysis

Organizations that deploy HCL BigFix Service Management face real-world risks associated with the exposure of sensitive credentials. The blast radius of this vulnerability may include any internal applications and services that rely on the compromised credentials, potentially leading to further exploitation within the network.

Given the medium CVSS score and the nature of the vulnerability, organizations should prioritize remediation in their patching cycles. Immediate attention is required to ensure the security and integrity of sensitive data handled by the affected systems.

Exploitation Status

Signal

Status

Known Exploit

No

Public PoC

No

Actively Exploited

No

Ransomware Use

No

Affected Versions

The vulnerability affects HCL BigFix Service Management version 23.0. If version information is missing, it is advised to consider all versions prior to the vendor patch as affected.

Mitigation & Remediation

Organizations should implement the following mitigations to address this vulnerability: apply the latest patches provided by HCL for the BigFix Service Management. For immediate remediation, consider disabling any functionalities that may expose credentials until the patch is applied. Configuration hardening should be performed to ensure credential protection during communications.

For further guidance, organizations can refer to HCL's support articles, including the advisory found at vendor advisory for more details on security measures.

Detection Guidance

Organizations should monitor logs for any unusual activity that may indicate attempts to exploit this vulnerability. Behavioral anomalies, such as unexpected backend communication patterns, should be investigated. Additionally, network signatures that identify attempts to access protected credentials should be established.

AppSecure Threat Intelligence Insight

The long-term significance of this vulnerability lies in the potential for attackers to leverage insufficiently protected credentials in various network scenarios. Security teams should be aware of this vulnerability as a trend in credential management failures that can lead to major breaches.

Organizations should evaluate their current security posture and apply best practices for credential storage and transmission. For additional insights into security practices, refer to our vulnerability management program and the importance of continuous security assessments.

Finally, organizations are encouraged to engage in proactive measures such as penetration testing to identify similar weaknesses before they can be exploited.

Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.

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