2.1 Low
CVSS2
Attack Vector
NETWORK
Attack Complexity
HIGH
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:H/Au:S/C:N/I:N/A:P
5.9 Medium
AI Score
Confidence
High
0.003 Low
EPSS
Percentile
69.6%
The “Query Compiler, Rewrite, Optimizer” component in IBM DB2 UDB 9.5 before FP6a allows remote authenticated users to cause a denial of service (CPU consumption) via a crafted query involving certain UNION ALL views, leading to an indefinitely large amount of compilation time.