What is the CVSS score of CVE-2017-6873?

CVE-2017-6873 has a CVSS 3.0 base score of 7.4 (High). CVSS vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N. EPSS exploitation probability: 0.2%.

Ozw772 Firmware CVE-2017-6873

HIGH

Missing Authentication for Critical Function (CWE-306)

2017-08-08 productcert@siemens.com

Siemens Authentication Bypass Ozw772 Firmware Ozw672 Firmware

7.4

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

7.4 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Lifecycle Timeline

CVE Published

Aug 08, 2017 - 00:29 cve.org

HIGH 7.4

DescriptionCVE.org

A vulnerability was discovered in Siemens OZW672 (all versions) and OZW772 (all versions) that could allow an attacker to read and manipulate data in TLS sessions while performing a man-in-the-middle (MITM) attack on the integrated web server on port 443/tcp.

AnalysisAI

A vulnerability was discovered in Siemens OZW672 (all versions) and OZW772 (all versions) that could allow an attacker to read and manipulate data in TLS sessions while performing a man-in-the-middle. Rated high severity (CVSS 7.4), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Missing Authentication for Critical Function (CWE-306), which allows attackers to access critical functionality without authentication. A vulnerability was discovered in Siemens OZW672 (all versions) and OZW772 (all versions) that could allow an attacker to read and manipulate data in TLS sessions while performing a man-in-the-middle (MITM) attack on the integrated web server on port 443/tcp. Affected products include: Siemens Ozw772 Firmware, Siemens Ozw672 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Require authentication for all sensitive operations, implement defense in depth.