title: Prototype Pollution
description: This affects the package @tsed/core before 5.65.7. This vulnerability relates to the deepExtend function which is used as part of the utils directory. Depending on if user input is provided, an attacker can overwrite and pollute the object prototype of a program.
problem types: Prototype Pollution
affected:
{
product: @tsed/core
vendor: n/a
versions:
lessThan: 5.65.7, status: affected, version: unspecified, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: HIGH
attackVector: NETWORK
availabilityImpact: LOW
baseScore: 5.6
baseSeverity: MEDIUM
confidentialityImpact: LOW
exploitCodeMaturity: PROOF_OF_CONCEPT
integrityImpact: LOW
privilegesRequired: NONE
remediationLevel: OFFICIAL_FIX
reportConfidence: CONFIRMED
scope: UNCHANGED
temporalScore: 5.1
temporalSeverity: MEDIUM
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
version: 3.1
]