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01 Record

CVE-2020-4589

IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 could allow a remote attacker to execute arbitrary code on the system with a specially-crafted sequence of serialized objects from untrusted

HighPUBLISHEDCNA: ibm
CNA base score8.1 CVSS v3.xCVSS:3.0/PR:N/I:H/C:H/A:H/UI:N/AC:H/S:U/AV:N/RC:C/E:U/RL:O
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02 Description

IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 could allow a remote attacker to execute arbitrary code on the system with a specially-crafted sequence of serialized objects from untrusted

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
8.46% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 94.5% of scored records. A rank, not a probability.
NVD base score
9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/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.

04 Metadata

Published
2020-08-13 11:50Z6 YR AGO
Last updated
2024-09-16 20:03Z2 YR AGO
Reserved
2019-12-30
Assigning CNA
ibm
Record state
PUBLISHED
Severity
High (CVSS 8.1)
CNA CVSS vector
CVSS:3.0/PR:N/I:H/C:H/A:H/UI:N/AC:H/S:U/AV:N/RC:C/E:U/RL:O
Weaknesses
  • CWE-502Deserialization of Untrusted DataBase
Data version
5.1
Document digest
8c01c171f2f6b33f1e55c15b3457ac4298cce6230b9d8ec75992b49fc6e0bb63

05 Affected products

VendorProductVersionsPlatforms
IBMWebSphere Application Server7.0, 8.0, 8.5, 9.0—

06 References