How severe is CVE-2025-15503?

CVE-2025-15503 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2025-15503 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-15503?

CVE-2025-15503 affects Sangfor Operation And Maintenance Security Management System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-15503?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-15503 have an EU (EUVD) identifier?

Yes. CVE-2025-15503 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-1856.

When was CVE-2025-15503 published?

CVE-2025-15503 was published on 2026-01-10 and last updated on 2026-06-17.

CVE-2025-15503

CVE-2025-15503 is a high-severity vulnerability in Sangfor Operation And Maintenance Security Management System with a CVSS 3.x base score of 7.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-434.

Key facts

Severity: High (CVSS 3.x base score 7.3)
CVSS v2: 7.5
CVSS v4: 5.5
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-1856
Weakness: CWE-434
Affected product: Sangfor Operation And Maintenance Security Management System
Published: 2026-01-10
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-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. 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.
How severe is CVE-2025-15503?: CVE-2025-15503 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2025-15503 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-15503?: CVE-2025-15503 affects Sangfor Operation And Maintenance Security Management System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-15503?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-15503 have an EU (EUVD) identifier?: Yes. CVE-2025-15503 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-1856.
When was CVE-2025-15503 published?: CVE-2025-15503 was published on 2026-01-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:sangfor:operation_and_maintenance_security_management_system:*:*:*:*:*:*:*:*

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