High severity · published Aug 24, 2021
CVE-2020-18917
The plus/search.php component in DedeCMS 5.7 SP2 allows remote attackers to execute arbitrary PHP code via the typename parameter because the contents of typename.inc are under an…
8.8
CVSS
0.8%
EPSS
No
On KEV
Description
The plus/search.php component in DedeCMS 5.7 SP2 allows remote attackers to execute arbitrary PHP code via the typename parameter because the contents of typename.inc are under an attacker's control.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 58% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DE
Dedecms · Dedecms
5.7 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-18917
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-18917
Exploit
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/
More from Dedecms
9.8
CVE-2021-48016
DedeCMS 5.8.1-beta Unauthenticated RCE via plus/flink.php
9.8
CVE-2026-30643
An issue was discovered in DedeCMS 5.7.118 allowing attackers to execute code via crafted setup tag values in a module upload
9.8
CVE-2026-30694
An issue in DedeCMS v.5.7.118 and before allows a remote attacker to execute arbitrary code via the array_filter component
9.8
CVE-2024-11138
A vulnerability classified as problematic has been found in DedeCMS 5.7.116
9.8
CVE-2024-35510
An arbitrary file upload vulnerability in /dede/file_manage_control.php of DedeCMS v5.7.114 allows attackers to execute arbitrary code via uploading a crafted file