CVE-2021-48016
CVE-2021-48016 · DedeCMS 5.8.1-beta Unauthenticated RCE via plus/flink.php
Cette page présente des faits issus de sources publiques. Consultez l’avis original avant toute mise à jour.
DedeCMS through 5.8.1-beta contains a PHP code injection vulnerability in ShowMsg() where the HTTP Referer header is written into a DedeTemplate string and included. Unauthenticated attackers can send a crafted Referer to /plus/flink.php?dopost=save with an empty validate code to execute arbitrary PHP and system commands. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-14.
CVSS 9.3 · Critique · EPSS 0,4%
- Publication
- Mise à jour
Produits et versions concernés
dedecms
- Versions du logiciel
- ≥ 0, ≤ 5.8.1-beta: Concernée (custom)
Aucun correctif publié
Sources originales
- https://srcincite.io/blog/2021/09/30/chasing-a-dream-pwning-the-biggest-cms-in-china.html
- https://github.com/dedecms/DedeCMS/blob/v5.8.1/include/common.func.php
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/dedecms/dedecms-rce.yaml
- https://www.vulncheck.com/advisories/dedecms-5.8.1-beta-unauthenticated-rce-via-plus-flink-php
- https://nvd.nist.gov/vuln/detail/CVE-2021-48016