VULNERABILITY INTELLIGENCE
CVE-2020-12775
CVSS score9.8 CRITICAL
EPSS probability2.80%
CISA KEVNot currently listed
Published2022-03-01
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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.
Weakness classification
- twcert@cert.org.tw: CWE-78
- nvd@nist.gov: CWE-78
Primary references
- twcert@cert.org.tw — Patch, Vendor Advisory
- twcert@cert.org.tw — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory