Arbitrary file upload in Backup-Guard Backup Guard
CVE-2021-24155
The WordPress Backup and Migrate Plugin – Backup Guard WordPress plugin before 1.6.0 did not ensure that the imported files are of the SGBP format and extension, allowing high privilege users (admin+) to upload arbitrary files, including PHP ones, leading to RCE.
Vulnerability class: Unrestricted File Upload
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.841 (99.7th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.841 · newest: 0.841 · change: 0.000
Affected products
- Backup-Guard Backup Guard
- WordPress Backup And Migrate Plugin – Guard — versions 1.6.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- wpscan.com/vulnerability/d442acac-4394-45e4-b6bb-adf4a40960fb (Exploit, Third Party Advisory)
- packetstormsecurity.com/files/163382/WordPress-Backup-Guard-1.5.8-Shell-Upload… (Exploit, VDB Entry, Third Party Advisory)
- packetstormsecurity.com/files/163623/WordPress-Backup-Guard-Authenticated-Remot… (Exploit, VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-24155?
- CVE-2021-24155 is a high-severity vulnerability in Backup-Guard Backup Guard, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 7.2/10. Published 2021-04-05.
- How severe is CVE-2021-24155?
- High severity. CVSS v3 base score is 7.2 out of 10.
- Is CVE-2021-24155 known to be exploited?
- 11 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.