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CVE-2020-4919IBM Cloud Pak System 2.3 has insufficient logout controls which could allow an authenticated privileged user to impersonate another user…
- 4.7MediumCVSS base score
- 0.63%Exploitation in 30 daysEPSS · top 49% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
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.
Timeline
ID reserved
By ibm
- 12 months later
· 12 months later
Published
- 4 years later
· 4 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| ibmCNA (assigner) | 3.0 | Medium4.7 | 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 |
| NVDNVD · Modified | 3.1 | Low3.8 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N |
- EPSS (exploitation in 30 days)
- 0.63% · top 49% of all CVEs (14 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.7.
Affected products
- affected 2.3
References
References2
- https://www.ibm.com/support/pages/node/6393554 (opens in a new tab)x_refsource_CONFIRMx_transferred
- ibm-cps-cve20204919-session-fixation (191395) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2020-26166 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2020-4919)Record last updated .