01 Record
CVE-2021-47799
Visual Tools DVR VX16 4.2.28 - Local Privilege Escalation
HighPUBLISHEDCNA: VulnCheck
CNA base score8.5 CVSS v4.0CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
02 Description
Visual Tools DVR VX16 4.2.28 - Local Privilege Escalation
03 Exploitation and scoring
- Exploitation
- Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.
- SSVC decision
- ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.14% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 3.1% of scored records. A rank, not a probability.
- NVD base score
- 8.5 (CVSS v4.0), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- NVD analysis status
- Deferred. 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
- 2026-01-15 15:52Z9 MO AGO
- Last updated
- 2026-07-28 01:47Z3 MO AGO
- Reserved
- 2026-01-14
- Assigning CNA
- VulnCheck
- Record state
- PUBLISHED
- Severity
- High (CVSS 8.5)
- CNA CVSS vector
- CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- Weaknesses
- CWE-266Incorrect Privilege AssignmentBase
- Data version
- 5.2
- Document digest
- 5591c163fb8e6405cfb10bd08dbc74b174d4e36df665c5dcd9d9e606b600246e
05 Affected products
VendorProductVersionsPlatforms
06 References
- www.exploit-db.comExploitDB-50104https://www.exploit-db.com/exploits/50104
- visual-tools.comOfficial Vendor Homepagehttps://visual-tools.com/