THREATPORT/VULNERABILITY/CVE-2018-1851
HIGH SEVERITY

CVE-2018-1851

Websphere Application Server vulnerability

CVSS
7.3
EPSS
3.9%
EPSS pct
89th
Exploited
No known
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.
Affected vendor
Ibm
Affected product
Websphere Application Server
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Weakness type (CWE)
  • CWE-502 — Deserialization of Untrusted Data
Published
2018-10-31

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to low impact to confidentiality, low impact to integrity, low impact to availability.

Its EPSS score of 3.9% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 89% of all scored CVEs.

Check your external exposure to CVE-2018-1851

  • Confirm whether Ibm Websphere Application Server is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2018-1851.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2018-1851

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2018-1851 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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