CVE-2018-1851

Name: CVE-2018-1851
Creator: NVD / NIST
Published: 2018-10-31T13:29:00.6+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 3.87%

Last modified Jun 17, 2026

CVE-2018-1851 is a vulnerability of currently unknown severity. 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. EPSS estimates a 3.87% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability

3.87%

88.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-502

Affected Software

Vendor	Product	Versions
Ibm	Websphere Application Server	< 18.0.0.3

References

http://www.securityfocus.com/bid/105839Third Party Advisory, VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/150999VDB Entry, Vendor Advisory
https://www.ibm.com/support/docview.wss?uid=ibm10735105Patch, Vendor Advisory
http://www.securityfocus.com/bid/105839Third Party Advisory, VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/150999VDB Entry, Vendor Advisory
https://www.ibm.com/support/docview.wss?uid=ibm10735105Patch, Vendor Advisory

Timeline

Published: Oct 31, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-1851?

How severe is CVE-2018-1851?

Severity scoring for CVE-2018-1851 is pending analysis. The EPSS model estimates a 3.87% probability of exploitation in the next 30 days.

How do I fix CVE-2018-1851?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-1851?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST