title: Cisco Elastic Services Controller REST API Authentication Bypass Vulnerability
description: A vulnerability in the REST API of Cisco Elastic Services Controller (ESC) could allow an unauthenticated, remote attacker to bypass authentication on the REST API. The vulnerability is due to improper validation of API requests. An attacker could exploit this vulnerability by sending a crafted request to the REST API. A successful exploit could allow the attacker to execute arbitrary actions through the REST API with administrative privileges on an affected system.
problem types: CWE-287
affected:
{
product: Cisco Elastic Services Controller
vendor: Cisco
versions:
lessThan: 4.1.0.100, status: affected, version: unspecified, versionType: custom
lessThan: 4.2.0.74, status: affected, version: unspecified, versionType: custom
lessThan: 4.3.0.121, status: affected, version: unspecified, versionType: custom
lessThan: 4.4.0.80, status: affected, version: unspecified, versionType: custom
}
metrics:
cvssV3_0: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 10
baseSeverity: CRITICAL
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: NONE
scope: CHANGED
userInteraction: NONE
vectorString: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
version: 3.0
]
exploits: The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.