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CVE-2026-18221highCWE-287

IBM i is Affected By Improper Authorization and Authentication Vulnerabilities in DDM / DRDA [, ]

21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 8.1epss 0.3%
exploitation probability
0.3%top 73% of all CVEs
observed exploitation
nono source reports it
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to gain unauthorized access due to improper validation of client-supplied authentication parameters.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
IBM · i