description: A vulnerability in Cisco Emergency Responder, Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager Session Management Edition (Unified CM SME), and Cisco Unity Connection could allow an authenticated, remote attacker to elevate privileges to root on an affected device.
This vulnerability exists because the application does not properly restrict the files that are being used for upgrades. An attacker could exploit this vulnerability by providing a crafted upgrade file. A successful exploit could allow the attacker to elevate privileges to root. To exploit this vulnerability, the attacker must have valid platform administrator credentials on an affected device.
problem types: Improper Verification of Cryptographic Signature
affected:
{
vendor: Cisco
product: Cisco Emergency Responder
versions:
version: 12.5(1)SU4, status: affected
version: 12.5(1)SU8a, status: affected
version: 14SU3, status: affected
}
{
vendor: Cisco
product: Cisco Unity Connection
versions:
version: 12.5(1)SU6, status: affected
version: 12.5(1)SU7, status: affected
version: 12.5(1)SU8, status: affected
version: 14SU2, status: affected
version: 14SU3, status: affected
}
{
vendor: Cisco
product: Cisco Unified Communications Manager
versions:
version: 12.5(1)SU8, status: affected
}
metrics:
format: cvssV3_1
cvssV3_1: [
version: 3.1
vectorString: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
baseScore: 6.5
baseSeverity: MEDIUM
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: HIGH
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: NONE
]
exploits: The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.