PT-2021-10255 · Dedecms · Dedecms

Published 2021-08-24 · Updated 2021-08-30 · CVE-2020-18917

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: DedeCMS version 5.7 SP2

Description: The issue allows remote attackers to execute arbitrary PHP code via the typename parameter in the plus/search.php component. This is possible because the contents of typename.inc are under an attacker's control.

Recommendations: For DedeCMS version 5.7 SP2, consider restricting access to the plus/search.php component until a patch is available, and avoid using the typename parameter in this component to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

RCE

CSRF

Weakness Enumeration

CWE-352

Related Identifiers

CVE-2020-18917

Affected Products

Dedecms

References · 4

• 🔥 http://tusk1.cn/2019/05/12/DeDecms-v5-7-sp2-CRSF-%E6%96%87%E4%BB%B6%E6%93%8D%E4%BD%9C-%E5%89%8D%E5%8F%B0getshell · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2020-18917 · Security Note
• https://osv.dev/vulnerability/CVE-2020-18917 · Vendor Advisory
• https://t.me/cibsecurity/27853 · Telegram Post