CVE-2018-1851 json
IBM WebSphere Application Server Liberty OpenID Connect could allow a remote attacker to execute arbitrary code on the system, caused by im…
published 2018-10-31 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-12430
- cvss
- 7.3
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.9%
- EPSS 3.9% chance of exploitation in 30 days, percentile 90%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
Exploit prediction
3.87% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 7.3 | CVSS:3.0/A:L/AC:L/AV:N/C:L/I:L/PR:N/S:U/UI:N/E:U/RC:C/RL:O |
| CNA | 3.0 | 7.3 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
| NVD | 3.0 | 9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Affected products
- IBM WebSphere Application Server
Classification
- Weakness
-
- CWE-502 Deserialization of Untrusted Data
References
-
ibm.com
/support/docview.wss?uid=ibm10735105
patch, vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/150999
vdb-entry, vendor-advisory
-
securityfocus.com
/bid/105839
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2018-1851
- NVD CVE-2018-1851
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.