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Fencer Vulns
medium 4.7

CVE-2020-4919 json

IBM Cloud Pak System 2.3 has insufficient logout controls which could allow an authenticated privileged user to impersonate another user on…

published 2021-01-04 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-26166

cvss
4.7
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 50%
public exploits
0
none known

Summary

IBM Cloud Pak System 2.3 has insufficient logout controls which could allow an authenticated privileged user to impersonate another user on the system. IBM X-Force ID: 191395.

Patch / fix

  • ibm cloud_pak_system 2.3.3.3

Exploit prediction

0.63% chance of exploitation in the next 30 days, higher than 50% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.0 4.7 CVSS:3.0/C:L/S:U/UI:N/AC:L/PR:H/I:L/AV:N/A:L/RC:C/E:U/RL:O
NVD 3.1 3.8 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
CNA 3.0 4.7 CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
NVD 2.0 5.5 AV:N/AC:L/Au:S/C:P/I:P/A:N

Affected products

  • IBM Cloud Pak System

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.