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01 Record

CVE-2019-4520

IBM Security Directory Server 6.4.0 uses an inadequate account lockout setting that could allow a remote attacker to brute force account credentials. IBM X-Force ID: 165178.

HighPUBLISHEDCNA: ibm
CNA base score7.5 CVSS v3.xCVSS:3.0/AC:L/UI:N/PR:N/A:N/I:N/AV:N/S:U/C:H/RC:C/RL:O/E:U
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02 Description

IBM Security Directory Server 6.4.0 uses an inadequate account lockout setting that could allow a remote attacker to brute force account credentials. IBM X-Force ID: 165178.

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
2.22% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 82.1% of scored records. A rank, not a probability.
NVD base score
7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2019-10-02 14:45Z7 YR AGO
Last updated
2024-09-17 03:18Z2 YR AGO
Reserved
2019-01-03
Assigning CNA
ibm
Record state
PUBLISHED
Severity
High (CVSS 7.5)
CNA CVSS vector
CVSS:3.0/AC:L/UI:N/PR:N/A:N/I:N/AV:N/S:U/C:H/RC:C/RL:O/E:U
Weaknesses
  • CWE-307Improper Restriction of Excessive Authentication AttemptsBase
Data version
5.1
Document digest
1cc0bf2e7fa4ac84aab738aed93771a92b7ee774e3f75342a5781c3c4a0b709f

05 Affected products

VendorProductVersionsPlatforms
IBMSecurity Directory Server6.4.0—

06 References