What’s Vulnerable › Vulnerabilities

CVE-2020-12775: Hicos citizen certificate client-side component - Command Injection

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-03-01 · updated 2026-06-17
• Weakness: CWE-78

Description

Hicos citizen certificate client-side component does not filter special characters for command parameters in specific web URLs. An unauthenticated remote attacker can exploit this vulnerability to perform command injection attack to execute arbitrary system command, disrupt system or terminate service.

Affected products

• Moica Hicos: through 1.3.4.12; through 3.0.0

References

• https://moica.nat.gov.tw/rac_plugin.html
• https://www.twcert.org.tw/tw/cp-132-5695-421a7-1.html
• https://moica.nat.gov.tw/rac_plugin.html
• https://www.twcert.org.tw/tw/cp-132-5695-421a7-1.html

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