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CVE-2020-4434

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-06-10 · updated 2026-06-17
• Weakness: CWE-120

Description

Certain IBM Aspera applications are vulnerable to buffer overflow based on the product configuration and valid authentication, which could allow an attacker with intimate knowledge of the system to execute arbitrary code or perform a denial-of-service (DoS) through the http fallback service. IBM X-Force ID: 180900.

Affected products

• IBM Aspera Application Platform On Demand: through 3.7.4
• IBM Aspera Faspex On Demand: through 3.7.4
• IBM Aspera High-Speed Transfer Endpoint: through 3.9.3
• IBM Aspera High-Speed Transfer Server: through 3.9.3
• IBM Aspera HSTS for CP4I: through 3.9.10
• IBM Aspera Proxy Server: through 1.4.3
• IBM Aspera Server On Demand: through 3.7.4
• IBM Aspera Shares On Demand: through 3.7.4
• IBM Aspera Streaming: through 3.9.3
• IBM Aspera Transfer Cluster Manager: through 1.3.1

References

• https://exchange.xforce.ibmcloud.com/vulnerabilities/180900
• https://www.ibm.com/support/pages/node/6221324
• https://exchange.xforce.ibmcloud.com/vulnerabilities/180900
• https://www.ibm.com/support/pages/node/6221324

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