Vulnerability in Kaseya Unitrends Backup
CVE-2021-43041
An issue was discovered in Kaseya Unitrends Backup Appliance before 10.5.5. A crafted HTTP request could induce a format string vulnerability in the privileged vaultServer application.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.024 (83.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 83.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.023 · newest: 0.024 · change: +0.001
Affected products
Weakness classification (CWE)
References
- helpdesk.kaseya.com/hc/en-gb/articles/4412762258961 (Vendor Advisory)
- www.cyberonesecurity.com/blog/exploiting-kaseya-unitrends-backup-appliance-part… (Exploit, Third Party Advisory)
- www.cyberonesecurity.com/blog/exploiting-kaseya-unitrends-backup-appliance-part… (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-43041?
- CVE-2021-43041 is a high-severity vulnerability in Kaseya Unitrends Backup, classified under Use of Externally-Controlled Format String. CVSS score: 8.8/10. Published 2021-12-06.
- How severe is CVE-2021-43041?
- High severity. CVSS v3 base score is 8.8 out of 10.