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Fencer Vulns
high 7.5

CVE-2018-1974 json

IBM WebSphere 8.0.0.0 through 9.1.1 could allow an authenticated attacker to escalate their privileges when using multiplexed channels.

published 2019-03-11 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-12553

cvss
7.5
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.3%
EPSS 1.3% chance of exploitation in 30 days, percentile 69%
public exploits
0
none known

Summary

IBM WebSphere 8.0.0.0 through 9.1.1 could allow an authenticated attacker to escalate their privileges when using multiplexed channels. IBM X-Force ID: 153915.

Patch / fix

Exploit prediction

1.25% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.0 7.5 CVSS:3.0/A:H/AC:H/AV:N/C:H/I:H/PR:L/S:U/UI:N/E:U/RC:C/RL:O
CNA 3.0 7.5 CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 3.0 7.5 CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 6.0 AV:N/AC:M/Au:S/C:P/I:P/A:P

Affected products

  • IBM MQ

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.