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CVE-2025-24671: Critical Vulnerability in Pdfcrowd Save as PDF

A critical deserialization vulnerability exists in Pdfcrowd's Save as PDF plugin, allowing for object injection. Organizations must address this issue promptly to avoid severe impacts.

CRITICALCVSS 9.8 · Published January 27, 2025

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CVE-2025-24671 is a critical vulnerability affecting the Save as PDF plugin by Pdfcrowd. This vulnerability allows for the deserialization of untrusted data, which can lead to object injection attacks. With a CVSS score of 9.8, the severity of this issue is significant and poses a substantial risk to organizations using this plugin.

The vulnerability impacts all versions of the Save as PDF plugin up to and including version 4.4.0. Organizations utilizing this software must prioritize patching to mitigate potential exploitation. The exploitation status remains deferred, but the critical nature of this vulnerability demands immediate attention.

Risk to organizations includes unauthorized access, data leakage, and potential disruption of services due to the vulnerability's nature. Organizations should prioritize patching immediately to safeguard their systems against this critical threat.

Given the high impact of this vulnerability on confidentiality, integrity, and availability, it is essential for affected organizations to assess their exposure and apply necessary updates without delay.

To further assist in remediation efforts, organizations are encouraged to review their security measures and consider implementing additional protections such as web application firewalls and regular security assessments.

Vulnerability Details

The CVE-2025-24671 vulnerability is classified as a deserialization of untrusted data issue, allowing for object injection within the Save as PDF plugin by Pdfcrowd. The CVSS score of 9.8 indicates a critical severity level, highlighting the urgency for remediation.

Published on January 27, 2025, this vulnerability affects all versions of the Save as PDF plugin up to and including version 4.4.0. The associated CWE classification is CWE-502, which pertains to deserialization of untrusted data.

Technical Analysis

Root cause analysis reveals that the deserialization process does not adequately validate the data being processed, allowing attackers to inject malicious objects. The attack vector is network-based, and the complexity is low, requiring no privileges or user interaction.

The potential impacts of this vulnerability include high confidentiality, integrity, and availability impacts, as the attacker can manipulate the application's behavior and access sensitive data.

Risk & Impact Analysis

Organizations utilizing the Save as PDF plugin must recognize the substantial risk associated with CVE-2025-24671. The potential for data leakage and unauthorized access can have devastating financial and reputational consequences.

The vulnerability's critical CVSS score signals an urgent need for organizations to prioritize patching efforts. Given that exploitation could lead to significant data loss or service disruption, it is paramount that organizations assess their current security posture and make the necessary updates.

Signal

Status

Known Exploit

No

Public PoC

No

Actively Exploited

No

Ransomware Use

No

Affected Versions

The affected versions of the Save as PDF plugin include all versions prior to version 4.4.0. Organizations should ensure they are running the latest version to mitigate this vulnerability.

Mitigation & Remediation

Organizations must prioritize patching immediately. The recommended action is to update to the latest version of the Save as PDF plugin. If an update is not available, organizations should consider implementing mitigating controls such as disabling the plugin until a patch can be applied.

For guidance on security testing and vulnerability management, organizations can refer to penetration testing services to validate their security posture.

Detection Guidance

Organizations should monitor logs for unusual activity related to the Save as PDF plugin. Indicators of compromise may include unexpected changes to PDF generation processes, unauthorized access attempts, or changes in user behavior.

AppSecure Threat Intelligence Insight

The presence of CVE-2025-24671 highlights the ongoing risks associated with third-party plugins in web applications. Organizations must remain vigilant and regularly assess their software for vulnerabilities, particularly those that may not have received immediate attention.

To enhance security posture, teams should implement regular security assessments, such as application security assessments, and stay informed about emerging vulnerabilities.

For further insights on vulnerabilities and security strategies, organizations can refer to the following resources: vulnerability management program design, penetration testing methodology, and API penetration testing guide for best practices.

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

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