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Fencer Vulns
medium 6.5

CVE-2019-4541 json

IBM Security Directory Server 6.4.0 uses incomplete blacklisting for input validation which allows attackers to bypass application controls…

published 2020-02-04 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-14148

cvss
6.5
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.3%
EPSS 1.3% chance of exploitation in 30 days, percentile 70%
public exploits
0
none known

Summary

IBM Security Directory Server 6.4.0 uses incomplete blacklisting for input validation which allows attackers to bypass application controls resulting in direct impact to the system and data integrity. IBM X-Force ID: 165814.

Patch / fix

  • ibm security_directory_server 6.4.0.20

Exploit prediction

1.32% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.0 6.5 CVSS:3.0/PR:H/S:U/UI:N/C:H/I:N/A:H/AV:N/AC:L/RL:O/E:U/RC:C
NVD 3.1 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CNA 3.0 6.5 CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H
NVD 2.0 6.5 AV:N/AC:L/Au:S/C:P/I:P/A:P

Affected products

  • IBM Security Directory Server

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.