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Fencer Vulns
medium 6.0

CVE-2018-1840 json

IBM WebSphere Application Server 8.5 and 9.0 could allow a remote attacker to gain elevated privileges on the system, caused when a securit…

published 2018-12-03 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-12419

cvss
6.0
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
2.1%
EPSS 2.1% chance of exploitation in 30 days, percentile 82%
public exploits
0
none known

Summary

IBM WebSphere Application Server 8.5 and 9.0 could allow a remote attacker to gain elevated privileges on the system, caused when a security domain is configured to use a federated repository other than global federated repository and then migrated to a newer release of WebSphere Application Server. IBM X-Force ID: 150813.

Patch / fix

Exploit prediction

2.14% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.0 6.0 CVSS:3.0/A:L/AC:H/AV:N/C:L/I:L/PR:L/S:C/UI:N/E:U/RC:C/RL:O
CNA 3.0 6.0 CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L
NVD 3.0 8.1 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

  • IBM WebSphere Application Server

Classification

Weakness
  • CWE-668 Exposure of Resource to Wrong Sphere

References

Sources

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.