01 Record

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

HighPUBLISHEDCNA: ibm

CNA base score8.8 CVSS v3.xCVSS:3.0/AV:N/A:H/C:H/S:U/PR:L/AC:L/UI:N/I:H/RL:O/E:U/RC:C

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02 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

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 3.09% probability of exploitation activity in the next 30 days.
EPSS percentile: Equal to or higher than the score of 87.6% of scored records. A rank, not a probability.
NVD base score: 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD analysis status: Modified. NVD last modified this record on 2026-06-17.
Red Hat severity: No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.