CVE-2021-3317

PoC ×2—

CVSS 3.1

8.8 high

EPSS

41%p99

Published

Jan 26, 2021 (Jan 26, 2021)

Modified

Jun 17, 2026

Description

KLog Server through 2.4.1 allows authenticated command injection. async.php calls shell_exec() on the original value of the source parameter.

Vendors: klogserver
Products: klog server
Weakness: CWE-78
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (41.4%)

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