What is the CVSS score of CVE-2019-18284?

CVE-2019-18284 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 2.0%.

Sppa T3000 Application Server CVE-2019-18284

CRITICAL

Improper Authentication (CWE-287)

2019-12-12 productcert@siemens.com

Authentication Bypass Sppa T3000 Application Server

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Dec 12, 2019 - 19:15 nvd

CRITICAL 9.8

DescriptionNVD

A vulnerability has been identified in SPPA-T3000 Application Server (All versions < Service Pack R8.2 SP2). The AdminService is available without authentication on the Application Server. An attacker can use methods exposed via this interface to receive password hashes of other users and to change user passwords. Please note that an attacker needs to have access to the Application Highway in order to exploit this vulnerability. At the time of advisory publication no public exploitation of this security vulnerability was known.

AnalysisAI

A vulnerability has been identified in SPPA-T3000 Application Server (All versions < Service Pack R8.2 SP2). Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Improper Authentication (CWE-287), which allows attackers to bypass authentication mechanisms to gain unauthorized access. A vulnerability has been identified in SPPA-T3000 Application Server (All versions < Service Pack R8.2 SP2). The AdminService is available without authentication on the Application Server. An attacker can use methods exposed via this interface to receive password hashes of other users and to change user passwords. Please note that an attacker needs to have access to the Application Highway in order to exploit this vulnerability. At the time of advisory publication no public exploitation of this security vulnerability was known. Affected products include: Siemens Sppa-T3000 Application Server.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement multi-factor authentication, enforce strong password policies, use proven authentication frameworks.