What’s Vulnerable › Vulnerabilities

CVE-2015-7923

• Severity: critical (CVSS 9.0 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2016-01-30 · updated 2026-06-17
• Weakness: CWE-310

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.

Affected products

• Westermo WeOS: 4.18.0

References

• https://ics-cert.us-cert.gov/advisories/ICSA-16-028-01
• https://ics-cert.us-cert.gov/advisories/ICSA-16-028-01

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