CVE-2019-4279 is a critical remote code execution vulnerability affecting IBM WebSphere Application Server versions 8.5 and 9.0. It allows an unauthenticated attacker to execute arbitrary code by sending specially crafted serialized objects from untrusted sources. With a CVSS score of 9.8 (Critical) and an EPSS score indicating high exploitability, this vulnerability poses a significant risk due to its network-based attack vector, low attack complexity, and complete compromise of confidentiality, integrity, and availability. While not currently on the CISA KEV catalog, public exploit modules, including a Metasploit module, are available, though there is no recorded community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 8.5.0.0, <= 8.5.5.15CPE matchmatch criteria | cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:*:*:*:* | ||
>= 9.0.0.0, <= 9.0.0.11CPE matchmatch criteria | cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:*:*:*:* | ||
7.0.0.0CPE matchmatch criteria | cpe:2.3:a:ibm:websphere_application_server:7.0.0.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/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.
No media coverage found for this CVE.
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.