CVE-2019-4279 Public exploit Critical · 9.0 EPSS 79.9%
IBM WebSphere Application Server 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 sources. IBM X-Force ID: 160445.
IBM · WebSphere Application Server
Summary
IBM WebSphere Application Server versions 8.5 and 9.0 contain a deserialization flaw in how the server processes serialized objects. A remote attacker who sends a specially crafted sequence of serialized objects from an untrusted source can execute arbitrary code on the system.
Heading is the official description · CVE.org
Priority scorePatchfirst’s 0 to 100 ranking. It adds points for CISA KEV listing, ransomware use, EPSS, threat reports, public exploit code and CVSS. Every CVE page shows the breakdown. Breakdown
31.2 / 100
- Exploited
- Not confirmed
- Reports
- 0
- Tactics
- 0/15
Exploitation timelineDated milestones for a CVE: when it was disclosed, when exploit code became public, when exploitation was confirmed, and when threat reports named it.
Public exploit code (Metasploit) was available 2 days before disclosure.
- Public exploit codeMetasploit2 days before
- Disclosedday 0
MITRE ATT&CKA public catalogue of the techniques attackers use, maintained by MITRE. Patchfirst uses it to describe what attackers do with a vulnerability. techniques
No techniques linkedNo ATT&CK techniques are linked to this CVE yet. MITRE CTID has not mapped it, and no report passage in the corpus ties it to a technique.