CVE-2020-21726

CRITICAL 9.8CVE-2020-21726 · Published 07/10/2021 · updated 17/06/2026

In short

CVE-2020-21726 is a CRITICAL (CVSS 9.8) vulnerability affecting opensns (opensns).
Chance of exploitation in the next 30 days (EPSS): 1.3%, higher than 70.1% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
opensns opensns	`= 6.1.0`	No fix yet

OpenSNS v6.1.0 contains a blind SQL injection vulnerability in /Controller/ChinaCityController.class.php via the cid parameter.

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