Arbitrary file upload in Dedecms
CVE-2019-8933
In DedeCMS 5.7SP2, attackers can upload a .php file to the uploads/ directory (without being blocked by the Web Application Firewall), and then execute this file, via this sequence of steps: visiting the management page, clicking on the template, clicking on Default Template Management, clicking on New Template, and modifying the filename from ../index.html to ../index.php.
Vulnerability class: Unrestricted File Upload
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.034 (88.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 88.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.034 · newest: 0.034 · change: 0.000
Affected products
- Dedecms — versions 5.7
Weakness classification (CWE)
Public proof-of-concept exploits
References
- blog.csdn.net/qq_36093477/article/details/86681178 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-8933?
- CVE-2019-8933 is a high-severity vulnerability in Dedecms, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2019-02-19.
- How severe is CVE-2019-8933?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2019-8933 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.