CVE-2015-7923 — CRITICAL (9.0)

Vulnerability Description

Westermo WeOS before 4.19.0 uses the same SSL private key across different customers' installations, which makes it easier for man-in-the-middle attackers to defeat cryptographic protection mechanisms by leveraging knowledge of a key.

CVSS Score

9.0

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Westermo	Weos	4.18.0

Related Weaknesses (CWE)

CWE-310

References

https://ics-cert.us-cert.gov/advisories/ICSA-16-028-01Third Party AdvisoryUS Government Resource
https://ics-cert.us-cert.gov/advisories/ICSA-16-028-01Third Party AdvisoryUS Government Resource

FAQ

What is CVE-2015-7923?

CVE-2015-7923 is a vulnerability with a CVSS score of 9.0 (CRITICAL). Westermo WeOS before 4.19.0 uses the same SSL private key across different customers' installations, which makes it easier for man-in-the-middle attackers to defeat cryptographic protection mechanisms...

How severe is CVE-2015-7923?

CVE-2015-7923 has been rated CRITICAL with a CVSS base score of 9.0/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2015-7923?

Check the references section above for vendor advisories and patch information. Affected products include: Westermo Weos.