What’s Vulnerable › Vulnerabilities

CVE-2023-30328

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-05-04 · updated 2026-06-17
• Weakness: CWE-287

Description

An issue in the helper tool of Mailbutler GmbH Shimo VPN Client for macOS v5.0.4 allows attackers to bypass authentication via PID re-use.

Affected products

• Mailbutler Shimo: 5.0.4

References

• https://github.com/rand0mIdas/randomideas/blob/main/ShimoVPN.md
• https://raw.githubusercontent.com/rand0mIdas/randomideas/main/ShimoVPN.md?token=GHSAT0AAAAAACA3WX4SPH2YYOCWGV6LLVSGZBIEKEQ
• https://github.com/rand0mIdas/randomideas/blob/main/ShimoVPN.md
• https://raw.githubusercontent.com/rand0mIdas/randomideas/main/ShimoVPN.md?token=GHSAT0AAAAAACA3WX4SPH2YYOCWGV6LLVSGZBIEKEQ

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