CVE-2020-4589 is a critical deserialization vulnerability affecting IBM WebSphere Application Server versions 7.0, 8.0, 8.5, and 9.0. It allows a remote, unauthenticated attacker to execute arbitrary code by sending specially crafted serialized objects. With a CVSS score of 9.8, this vulnerability poses a severe risk, enabling full compromise of confidentiality, integrity, and availability. Despite its high severity and EPSS score, there is currently no public exploit code available, nor is there evidence of active exploitation or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 7.0.0.0, <= 7.0.0.45CPE matchmatch criteria | cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:*:*:*:* | ||
>= 8.0.0.0, <= 8.0.0.15CPE matchmatch criteria | cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:*:*:*:* | ||
>= 8.5.0.0, <= 8.5.5.17CPE matchmatch criteria | cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:*:*:*:* | ||
>= 9.0.0.0, <= 9.0.5.4CPE matchmatch criteria | cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
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The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.