What’s Vulnerable › Vulnerabilities

CVE-2023-50703: Cleartext Transmission of Sensitive Information in EFACEC UC 500E

• Severity: medium (CVSS 5.9 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-12-20 · updated 2026-06-17
• Weakness: CWE-319

Description

An attacker with network access could perform a man-in-the-middle (MitM) attack and capture sensitive information to gain unauthorized access to the application.

Affected products

• EFACEC UC 500E: 10.1.0

References

• https://www.cisa.gov/news-events/ics-advisories/icsa-23-353-03
• https://www.cisa.gov/news-events/ics-advisories/icsa-23-353-03

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