CVE-2018-11462 Information

Description

A vulnerability has been identified in SINUMERIK 808D V4.7 (All versions) SINUMERIK 808D V4.8 (All versions) SINUMERIK 828D V4.7 (All versions V4.7 SP6 HF1) SINUMERIK 840D sl V4.7 (All versions V4.7 SP6 HF5) SINUMERIK 840D sl V4.8 (All versions V4.8 SP3). By sending a specially crafted authentication request to the affected systems a remote attacker could escalate his privileges to an elevated user account but not to root. The security vulnerability could be exploited by an attacker with network access to the affected systems. Successful exploitation requires no privileges and no user interaction. The vulnerability could allow an attacker to compromise confidentiality integrity and availability of the system. At the time of advisory publication no public exploitation of this security vulnerability was known.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

http://www.securityfocus.com/bid/106185 https://cert-portal.siemens.com/productcert/pdf/ssa-170881.pdf

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8