01 Record
CVE-2021-43037
An issue was discovered in Kaseya Unitrends Backup Appliance before 10.5.5. The Unitrends Windows agent was vulnerable to DLL injection and binary planting due to insecure default permissions. This
UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector
02 Description
An issue was discovered in Kaseya Unitrends Backup Appliance before 10.5.5. The Unitrends Windows agent was vulnerable to DLL injection and binary planting due to insecure default permissions. This
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.52% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 43.9% of scored records. A rank, not a probability.
- NVD base score
- 7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2021-12-06 00:00Z4 YR AGO
- Last updated
- 2024-08-04 03:47Z2 YR AGO
- Reserved
- 2021-10-26
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-427Uncontrolled Search Path ElementBase
- Data version
- 5.1
- Document digest
- e80e87dca19086e1acbf6272c6f0c4f30995c5ba34aff6ba1ea3007522581e36
05 Affected products
VendorProductVersionsPlatforms
06 References
- helpdesk.kaseya.comhttps://helpdesk.kaseya.com/hc/en-gb/articles/4412762258961
- www.cyberonesecurity.comhttps://www.cyberonesecurity.com/blog/exploiting-kaseya-unitrends-backup-appliance-part-1
- www.cyberonesecurity.comhttps://www.cyberonesecurity.com/blog/exploiting-kaseya-unitrends-backup-appliance-part-2