CVE-2020-4450 is a critical remote code execution vulnerability affecting IBM WebSphere Application Server versions 8.5 and 9.0 traditional, allowing unauthenticated attackers to execute arbitrary code through specially crafted serialized objects. With a CVSS score of 9.8, it presents a severe risk due to its network-based attack vector, low attack complexity, and complete compromise of confidentiality, integrity, and availability. While no public exploit code is currently available in Metasploit, Nuclei, or ExploitDB, the vulnerability has garnered significant community discussion and media coverage, indicating high awareness. Its high EPSS and FAUCET Risk Score further underscore the potential for future exploitation, despite not being listed in CISA's KEV catalog.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 8.5.0.0, < 8.5.5.18CPE matchmatch criteria | cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:*:*:*:* | ||
>= 9.0.0.0, < 9.0.5.5CPE matchmatch criteria | cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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.
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.