IBM i2 iBase 8.9.13 could allow a local authenticated attacker to execute arbitrary code on the system, caused by a DLL search order hijack…

published 2021-07-26 5y ago modified 2026-06-17 4mo ago also EUVD-2020-25870

cvss: 7.7; 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 22%
public exploits: 0; none known

IBM i2 iBase 8.9.13 could allow a local authenticated attacker to execute arbitrary code on the system, caused by a DLL search order hijacking flaw. By using a specially-crafted .DLL file, an attacker could exploit this vulnerability to execute arbitrary code on the system. IBM X-Force ID: 184984.

Patch / fix

links 1

ibm.com/support/pages/node/6474857 advisory

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Exploit prediction

0.30% chance of exploitation in the next 30 days, higher than 22% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.0	7.7	CVSS:3.0/A:H/I:H/AC:L/C:H/UI:R/AV:L/PR:H/S:C/E:U/RC:C/RL:O
NVD	3.1	6.5	CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
CNA	3.0	7.7	CVSS:3.0/AV:L/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H
NVD	2.0	4.4	AV:L/AC:M/Au:N/C:P/I:P/A:P

Affected products

IBM i2 iBase

Classification

Weakness

CWE-427 Uncontrolled Search Path Element

References

ibm.com /support/pages/node/6474857
patch, vendor-advisory
exchange.xforce.ibmcloud.com /vulnerabilities/184984
vdb-entry, vendor-advisory

Sources

CVE List CVE-2020-4623
NVD CVE-2020-4623

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