CVE-2020-4400 json
IBM Verify Gateway (IVG) 1.0.0 and 1.0.1 uses an inadequate account lockout setting that could allow a remote attacker to brute force accou…
published 2020-07-22 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-25647
- cvss
- 7.5
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.6%
- EPSS 1.6% chance of exploitation in 30 days, percentile 76%
- public exploits
- 0
- none known
Summary
IBM Verify Gateway (IVG) 1.0.0 and 1.0.1 uses an inadequate account lockout setting that could allow a remote attacker to brute force account credentials. IBM X-Force ID: 179478.
Patch / fix
- ibm.com/support/pages/node/6251279 advisory
Exploit prediction
1.63% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 7.5 | CVSS:3.0/AC:L/UI:N/I:N/S:U/C:H/PR:N/AV:N/A:N/E:U/RC:C/RL:O |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| CNA | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
Affected products
- IBM Verify Gateway (IVG)
Classification
- Weakness
-
- CWE-307 Improper Restriction of Excessive Authentication Attempts
References
-
ibm.com
/support/pages/node/6251279
patch, vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/179478
vdb-entry, vendor-advisory
Sources
- CVE List CVE-2020-4400
- NVD CVE-2020-4400
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