CVE-2025-0431:The CVE-2025-0431 is a vulnerability in Proofpoint's Enterprise Protection software that allows an unauthenticated remote attacker to bypass URL protections by sending an email, impacting the integrity of the recipient's email.

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The vulnerability, CVE-2025-0431, exists in the Enterprise Protection software developed by Proofpoint. It is associated with the improper filtering of backslashes within URLs, which allows an unauthenticated remote attacker to send an email that bypasses URL protections. This impacts the integrity of the recipient's email. The vulnerability affects all versions of 8.21, 8.20, and 8.18 prior to 8.21.0 patch 5115, 8.20.6 patch 5114, and 8.18.6 patch 5113 respectively. The CVSS base score is 5.8, indicating a medium severity level.

Overview

The vulnerability is due to improper filtering of special elements, specifically backslashes within URLs. This allows an unauthenticated remote attacker to bypass URL protections by sending an email, which impacts the integrity of the recipient's email. The vulnerability has been assigned the identifier CVE-2025-0431 and affects all versions of 8.21, 8.20, and 8.18 prior to 8.21.0 patch 5115, 8.20.6 patch 5114, and 8.18.6 patch 5113 respectively.

Remediation

The vulnerability can be mitigated by updating the affected versions of the software to 8.21.0 patch 5115, 8.20.6 patch 5114, and 8.18.6 patch 5113 respectively. Users are advised to apply these patches as soon as possible to prevent potential exploitation of this vulnerability.

References

For more information about this vulnerability, you can refer to the security advisory published by Proofpoint at the following URL: https://www.proofpoint.com/us/security/security-advisories/pfpt-sa-2025-0001

Industry ExposureMost to least
This section illustrates the prevalence of a specific Common Vulnerabilities and Exposures (CVE) across various industries based on customer reports. The ranking displays industries from the most to least affected by this particular vulnerability, offering valuable insight into where this CVE has been most frequently observed. This information can help organizations within these sectors prioritize their security efforts, understand their relative risk exposure compared to their peers, and focus remediation strategies where they are most needed. By understanding the industry-specific impact, organizations can make more informed decisions regarding patching, resource allocation, and overall risk management related to this CVE.

  1. Accommodation & Food Services
    Accommodation & Food Services
  2. Administrative, Support, Waste Management & Remediation Services
    Administrative, Support, Waste Management & Remediation Services
  3. Agriculture, Forestry Fishing & Hunting
    Agriculture, Forestry Fishing & Hunting
  4. Arts, Entertainment & Recreation
    Arts, Entertainment & Recreation
  5. Construction
    Construction
  6. Educational Services
    Educational Services
  7. Finance and Insurance
    Finance and Insurance
  8. Health Care & Social Assistance
    Health Care & Social Assistance
  9. Information
    Information
  10. Management of Companies & Enterprises
    Management of Companies & Enterprises
  11. Manufacturing
    Manufacturing
  12. Mining
    Mining
  13. Other Services (except Public Administration)
    Other Services (except Public Administration)
  14. Professional, Scientific, & Technical Services
    Professional, Scientific, & Technical Services
  15. Public Administration
    Public Administration
  16. Real Estate Rental & Leasing
    Real Estate Rental & Leasing
  17. Retail Trade
    Retail Trade
  18. Transportation & Warehousing
    Transportation & Warehousing
  19. Utilities
    Utilities
  20. Wholesale Trade
    Wholesale Trade

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