CVE-2020-4891 json
IBM Spectrum Scale 5.0.0 through 5.0.5.5 and 5.1.0 through 5.1.0.2 uses an inadequate account lockout setting that could allow a local user…
published 2021-03-16 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-26138
- cvss
- 6.2
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 18%
- public exploits
- 0
- none known
Summary
IBM Spectrum Scale 5.0.0 through 5.0.5.5 and 5.1.0 through 5.1.0.2 uses an inadequate account lockout setting that could allow a local user er to brute force Rest API account credentials. IBM X-Force ID: 190974.
Patch / fix
- ibm.com/support/pages/node/6430147 advisory
Exploit prediction
0.27% chance of exploitation in the next 30 days, higher than 18% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 6.2 | CVSS:3.0/UI:N/AV:L/I:N/C:H/A:N/S:U/PR:N/AC:L/E:U/RC:C/RL:O |
| NVD | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| CNA | 3.0 | 6.2 | CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 2.1 | AV:L/AC:L/Au:N/C:P/I:N/A:N |
Affected products
- IBM Spectrum Scale
Classification
- Weakness
-
- CWE-307 Improper Restriction of Excessive Authentication Attempts
References
-
ibm.com
/support/pages/node/6430147
patch, vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/190974
vdb-entry, vendor-advisory
Sources
- CVE List CVE-2020-4891
- NVD CVE-2020-4891
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