title: Exponential ReDoS in cleo leads to denial of service
description: An exponential ReDoS (Regular Expression Denial of Service) can be triggered in the cleo PyPI package, when an attacker is able to supply arbitrary input to the Table.set_rows method
problem types: CWE-1333 Inefficient Regular Expression Complexity
affected:
{
vendor: cleo
product: cleo
versions:
version: 0, status: affected, lessThan: *, versionType: custom
}
metrics:
cvssV3_1: [
version: 3.1
vectorString: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector: NETWORK
attackComplexity: HIGH
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
baseScore: 5.9
baseSeverity: MEDIUM
]