What is CVE-2018-1851?

CVE-2018-1851 is a high-severity vulnerability in IBM Websphere Application Server, classified under Deserialization of Untrusted Data. CVSS score: 7.3/10. Published 2018-10-31.

How severe is CVE-2018-1851?

High severity. CVSS v3 base score is 7.3 out of 10.

Deserialization in IBM Websphere Application Server

CVE-2018-1851

IBM WebSphere Application Server Liberty OpenID Connect could allow a remote attacker to execute arbitrary code on the system, caused by improper deserialization. By sending a specially-crafted request to the RP service, an attacker could exploit this vulnerability to execute arbitrary code. IBM X-Force ID: 150999.

Vulnerability class: Insecure Deserialization

EPSS: 0.039 (89.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

Ibm Websphere Application Server — versions Liberty
Ibm Websphere_application_server

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

psirt@us.ibm.com (VDB Entry, vdb-entry, Vendor Advisory, x_refsource_XF)
psirt@us.ibm.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
psirt@us.ibm.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)

Frequently asked questions

What is CVE-2018-1851?: CVE-2018-1851 is a high-severity vulnerability in IBM Websphere Application Server, classified under Deserialization of Untrusted Data. CVSS score: 7.3/10. Published 2018-10-31.
How severe is CVE-2018-1851?: High severity. CVSS v3 base score is 7.3 out of 10.