CVE-2020-20979 — CRITICAL (9.8)

Vulnerability Description

An arbitrary file upload vulnerability in the move_uploaded_file() function of LJCMS v4.3 allows attackers to execute arbitrary code.

CVSS Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
8Cms	Ljcms	4.3.-

Related Weaknesses (CWE)

CWE-434

References

https://github.com/0xyu/PHP_Learning/issues/2ExploitIssue TrackingThird Party Advisory
https://github.com/0xyu/PHP_Learning/issues/2ExploitIssue TrackingThird Party Advisory

FAQ

What is CVE-2020-20979?

CVE-2020-20979 is a vulnerability with a CVSS score of 9.8 (CRITICAL). An arbitrary file upload vulnerability in the move_uploaded_file() function of LJCMS v4.3 allows attackers to execute arbitrary code.

How severe is CVE-2020-20979?

CVE-2020-20979 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2020-20979?

Check the references section above for vendor advisories and patch information. Affected products include: 8Cms Ljcms.