CVE-2021-27811 — HIGH (7.2)

Vulnerability 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.

CVSS Score

7.2

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Qibosoft	Qibosoft	1.0

Related Weaknesses (CWE)

CWE-94

References

https://github.com/whiskey-jj/w2s2x2222.github.io/issues/2ExploitIssue TrackingThird Party Advisory
https://www.cnvd.org.cn/flaw/show/2297879Third Party Advisory
https://github.com/whiskey-jj/w2s2x2222.github.io/issues/2ExploitIssue TrackingThird Party Advisory
https://www.cnvd.org.cn/flaw/show/2297879Third Party Advisory

FAQ

What is CVE-2021-27811?

CVE-2021-27811 is a vulnerability with a CVSS score of 7.2 (HIGH). 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...

How severe is CVE-2021-27811?

CVE-2021-27811 has been rated HIGH with a CVSS base score of 7.2/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-27811?

Check the references section above for vendor advisories and patch information. Affected products include: Qibosoft Qibosoft.