How severe is CVE-2020-4436?

CVE-2020-4436 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-4436 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-4436?

CVE-2020-4436 primarily affects Ibm Aspera Application Platform On Demand. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-4436?

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.

When was CVE-2020-4436 published?

CVE-2020-4436 was published on 2020-06-10 and last updated on 2026-06-17.

CVE-2020-4436

CVE-2020-4436 is a high-severity vulnerability in Ibm Aspera Application Platform On Demand with a CVSS 3.x base score of 7.5. 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-120.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 6.0
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Ibm Aspera Application Platform On Demand
Published: 2020-06-10
Last modified: 2026-06-17

Description

Certain IBM Aspera applications are vulnerable to buffer overflow after valid authentication, which could allow an attacker with intimate knowledge of the system to execute arbitrary code through a service. IBM X-Force ID: 180902.

Frequently asked questions

What is CVE-2020-4436?: Certain IBM Aspera applications are vulnerable to buffer overflow after valid authentication, which could allow an attacker with intimate knowledge of the system to execute arbitrary code through a service. IBM X-Force ID: 180902.
How severe is CVE-2020-4436?: CVE-2020-4436 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-4436 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-4436?: CVE-2020-4436 primarily affects Ibm Aspera Application Platform On Demand. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-4436?: 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.
When was CVE-2020-4436 published?: CVE-2020-4436 was published on 2020-06-10 and last updated on 2026-06-17.

References

Affected products (10)

cpe:2.3:a:ibm:aspera_application_platform_on_demand:*:*:*:*:*:*:*:*
cpe:2.3:a:ibm:aspera_faspex_on_demand:*:*:*:*:*:*:*:*
cpe:2.3:a:ibm:aspera_high-speed_transfer_endpoint:*:*:*:*:*:*:*:*
cpe:2.3:a:ibm:aspera_high-speed_transfer_server:*:*:*:*:*:*:*:*
cpe:2.3:a:ibm:aspera_high-speed_transfer_server_for_cloud_pak_for_integration:*:*:*:*:*:*:*:*
cpe:2.3:a:ibm:aspera_proxy_server:*:*:*:*:*:*:*:*
cpe:2.3:a:ibm:aspera_server_on_demand:*:*:*:*:*:*:*:*
cpe:2.3:a:ibm:aspera_shares_on_demand:*:*:*:*:*:*:*:*
cpe:2.3:a:ibm:aspera_streaming:*:*:*:*:*:*:*:*
cpe:2.3:a:ibm:aspera_transfer_cluster_manager:*:*:*:*:*:*:*:*

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