Email Flooding Vulnerability in IBM Aspera Shares
CVE-2025-66487

2.7LOW

Key Information:

Vendor

IBM
Status
Aspera Shares
Vendor
CVE Published:
1 April 2026

What is CVE-2025-66487?

IBM Aspera Shares versions 1.9.9 through 1.11.0 are susceptible to an improper rate limiting vulnerability that permits an authenticated user to send an excessive number of emails. This weakness can lead to email flooding, potentially overwhelming the system and causing denial of service for legitimate users. Proper mitigation and user awareness are essential to prevent exploitation.

Affected Version(s)

Aspera Shares 1.9.9 <= 1.11.0

References

https://www.ibm.com/support/pages/node/7267848
vendor-advisorypatch

CVSS V3.1

Score:
2.7
Severity:
LOW
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.