Deserialization in IBM Websphere Application Server

CVE-2018-1904

IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 could allow remote attackers to execute arbitrary Java code through an administrative client class with a serialized object from untrusted sources. IBM X-Force ID: 152533.

Vulnerability class: Insecure Deserialization

EPSS: 0.037 (88.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-1904?
CVE-2018-1904 is a high-severity vulnerability in IBM Websphere Application Server, classified under Deserialization of Untrusted Data. CVSS score: 8.1/10. Published 2018-12-11.
How severe is CVE-2018-1904?
High severity. CVSS v3 base score is 8.1 out of 10.
Is CVE-2018-1904 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.