CVE-2021-27811

HIGH

QibosoftX1 1.0 - Remote Code Execution via Upgrade Function

Title source: llm
STIX 2.1

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 (2)

Core 2
Core References
Exploit, Issue Tracking, Third Party Advisory x_refsource_misc
https://github.com/whiskey-jj/w2s2x2222.github.io/issues/2
Third Party Advisory x_refsource_misc
https://www.cnvd.org.cn/flaw/show/2297879

Scores

CVSS v3 7.2
EPSS 0.0120
EPSS Percentile 64.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-94
Status published
Products (1)
qibosoft/qibosoft 1.0
Published May 21, 2021
Tracked Since Feb 18, 2026