Vulnerability in Supsystic Backup
CVE-2020-37246
Supsystic Backup 2.3.9 contains a local file inclusion vulnerability that allows unauthenticated attackers to read and delete arbitrary files by manipulating the download path parameter. Attackers can modify the download parameter in admin.php requests with directory traversal sequences to access sensitive files like /etc/passwd or delete files via the removeAction parameter.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.007 (50.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 50.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- Supsystic Backup — versions 2.3.9
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/49545 (exploit)
- supsystic.com/ (product)
- downloads.wordpress.org/plugin/backup-by-supsystic.zip (product)
- www.vulncheck.com/advisories/wordpress-plugin-supsystic-backup-local-file-inclu… (third-party-advisory)
Frequently asked questions
- What is CVE-2020-37246?
- CVE-2020-37246 is a medium-severity vulnerability in Supsystic Backup, classified under PHP Remote File Inclusion. CVSS score: 6.2/10. Published 2026-05-16.
- How severe is CVE-2020-37246?
- Medium severity. CVSS v3 base score is 6.2 out of 10.