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Vulnerabilities

Vulnerability · CVE-2025-15503

Sangfor operation_and_maintenance_security_management_system Improper Access Control

Published Mar 10, 2026 · catalog updated Mar 10, 2026 · Sangfor

Patch now

CVE-2025-15503 is in the CISA known-exploited catalog. Confirm Sangfor against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
Severity
Unknown—
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
2.04%
Remediation
Remediation guidance
Affected products
vendor Sangfor operation_and_maintenance_security_management_system

A security flaw has been discovered in Sangfor Operation and Maintenance Management System up to 3.0.8. The impacted element is an unknown function of the file /fort/trust/version/common/common.jsp. Performing a manipulation of the argument File results in unrestricted upload. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way. VulnCheck canary evidence.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Sangfor operation_and_maintenance_security_management_systemversion unspecified

How to fix CVE-2025-15503

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2025-15503 is in the CISA known-exploited catalog. Confirm Sangfor against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

What should an analyst verify?

No weakness class is stored. EPSS 2.04%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 10, 2026 · VulnCheck KEV

    Detected

    A security flaw has been discovered in Sangfor Operation and Maintenance Management System up to 3.0.8. The impacted element is an unknown function of the file /fort/trust/version/common/common.jsp. Performing a manipulation of the argument File results in unrestricted upload. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks

  2. Mar 10, 2026 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Sources

  • CVE.orgVulnerability recordCVE-2025-15503

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-15503

    30-day exploitation probability 2.0%

    first.org
  • VulnCheck KEVConfirmed exploitationCVE-2025-15503

    A security flaw has been discovered in Sangfor Operation and Maintenance Management System up to 3.0.8. The impacted element is an unknown function of the file /fort/trust/version/common/common.jsp. Performing a manipulation of the argument File results in unrestricted upload. Th

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.