CVE-2021-27811

high

Description

A code injection vulnerability has been discovered in the Upgrade function of QibosoftX1 v1.0. An attacker is able execute arbitrary PHP code via exploitation of client_upgrade_edition.php and Upgrade.php.

References

https://www.cnvd.org.cn/flaw/show/2297879

https://github.com/whiskey-jj/w2s2x2222.github.io/issues/2

Details

Source: Mitre, NVD

Published: 2021-05-21

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 6.5

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 7.2

Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00496

Detections

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