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01 Record

CVE-2019-4551

IBM Security Directory Server 6.4.0 does not perform an authentication check for a critical resource or functionality allowing anonymous users access to protected areas. IBM X-Force ID: 165953.

MediumPUBLISHEDCNA: ibm
CNA base score5.3 CVSS v3.xCVSS:3.0/C:L/UI:N/PR:N/S:U/AV:N/AC:L/A:N/I:N/E:U/RC:C/RL:O
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02 Description

IBM Security Directory Server 6.4.0 does not perform an authentication check for a critical resource or functionality allowing anonymous users access to protected areas. IBM X-Force ID: 165953.

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
1.27% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 69.5% of scored records. A rank, not a probability.
NVD base score
5.3 (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:L/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
2020-02-04 16:45Z6 YR AGO
Last updated
2024-09-16 23:46Z2 YR AGO
Reserved
2019-01-03
Assigning CNA
ibm
Record state
PUBLISHED
Severity
Medium (CVSS 5.3)
CNA CVSS vector
CVSS:3.0/C:L/UI:N/PR:N/S:U/AV:N/AC:L/A:N/I:N/E:U/RC:C/RL:O
Weaknesses
  • CWE-306Missing Authentication for Critical FunctionBase
Data version
5.1
Document digest
02efd1968ef94970722a4ae728694a9be982b4af98d5df2b4a7c82e806cac5ae

05 Affected products

VendorProductVersionsPlatforms
IBMSecurity Directory Server6.4.0—

06 References