Arbitrary file upload in Sem-Cms Semcms
CVE-2020-18432
File Upload vulnerability in SEMCMS PHP 3.7 allows remote attackers to upload arbitrary files and gain escalated privileges.
Vulnerability class: Unrestricted File Upload
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.009 (57.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 57.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Sem-Cms Semcms — versions 3.7
Weakness classification (CWE)
References
- vorders.me/2019/03/05/semcms-vulnerablity-before-php-v3-7/ (Broken Link)
- github.com/advisories/GHSA-hg72-f8x2-chjh (Third Party Advisory)
Frequently asked questions
- What is CVE-2020-18432?
- CVE-2020-18432 is a critical-severity vulnerability in Sem-Cms Semcms, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2023-06-30.
- How severe is CVE-2020-18432?
- Critical severity. CVSS v3 base score is 9.8 out of 10.