CVE-2021-42071

CVSS V2 High 10 CVSS V3 Critical 9.8
Description
In Visual Tools DVR VX16 4.2.28.0, an unauthenticated attacker can achieve remote command execution via shell metacharacters in the cgi-bin/slogin/login.py User-Agent HTTP header.
Overview
  • CVE ID
  • CVE-2021-42071
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-10-07T17:15:08
  • Last Modified Date
  • 2021-10-15T16:11:36
Weakness Enumerations
CWE URL
CWE-78 http://cwe.mitre.org/data/definitions/78.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:visual-tools:dvr_vx16_firmware:4.2.28.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:visual-tools:dvr_vx16:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:C/I:C/A:C
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • COMPLETE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 10
  • Severity
  • HIGH
  • Exploitability Score
  • 10
  • Impact Score
  • 10
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 9.8
  • Base Severity
  • CRITICAL
  • Exploitability Score
  • 3.9
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://visual-tools.com/ Vendor Advisory
https://www.exploit-db.com/exploits/50098 Exploit Third Party Advisory VDB Entry
https://www.swascan.com/security-advisory-visual-tools-dvr-cve-2021-42071/ Exploit Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-42071
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-42071
History
Created Old Value New Value Data Type Notes
2022-05-10 06:51:32 Added to TrackCVE
2022-12-05 12:02:02 2021-10-07T17:15Z 2021-10-07T17:15:08 CVE Published Date updated
2022-12-05 12:02:02 2021-10-15T16:11:36 CVE Modified Date updated
2022-12-05 12:02:02 Analyzed Vulnerability Status updated