IBM Aspera Shares 1.9.9-1.11.0 Improper Email Rate Limiting (CVE-2025-66487)
CVE-2025-66487 Published on April 1, 2026
Multiple vulnerabilities have been addressed in IBM Aspera Shares
IBM Aspera Shares 1.9.9 through 1.11.0 does not properly rate limit the frequency that an authenticated user can send emails, which could result in email flooding or a denial of service.
Vulnerability Analysis
CVE-2025-66487 can be exploited with network access, and requires user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a small impact on availability.
Weakness Type
Allocation of Resources Without Limits or Throttling
The software allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.
Products Associated with CVE-2025-66487
Want to know whenever a new CVE is published for IBM Aspera Shares? stack.watch will email you.
Affected Versions
IBM Aspera Shares:- Version 1.9.9, <= 1.11.0 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.