Geovision
CVE-2020-3931
CRITICAL
Vulnerability Assessment
| Weakness |
CWE
ASVS 5.0
V15 - Secure Coding and Architecture Buffer copy size validation
MITRE ATT&CK
1 technique across 1 tactic: Execution The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 9.8 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. |
| Exploit ScenarioDerived | A remote attacker could overflow a buffer to corrupt adjacent memory by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability. |
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Alert meAnalysisAI
Buffer overflow exists in Geovision Door Access Control device family, an unauthenticated remote attacker can execute arbitrary command. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Always validate buffer sizes before copy operations. Use bounded functions (strncpy, snprintf). Enable compiler protections.
Affects your stack
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Technical ContextAI · show details
This vulnerability is classified as Buffer Copy without Size Check (CWE-120), which allows attackers to overflow a buffer to corrupt adjacent memory. Buffer overflow exists in Geovision Door Access Control device family, an unauthenticated remote attacker can execute arbitrary command. Affected products include: Geovision Gv-As210 Firmware, Geovision Gv-As410 Firmware, Geovision Gv-As810 Firmware, Geovision Gv-Gf1921 Firmware, Geovision Gv-As1010 Firmware.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
Buffer overflow exists in Geovision Door Access Control device family, an unauthenticated remote attacker can execute arbitrary command.
Threat Intelligence Overview
NVD
CVE.org
EPSS
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
A buffer overflow occurs when a program writes more data to a memory buffer than it was allocated to hold, causing the excess data to spill into adjacent memory regions.
Affected Products (CPE)NVD
Certain EOL GeoVision devices have an OS Command Injection vulnerability. Rated critical severity (CVSS 9.8), this vulne
Certain EOL GeoVision devices fail to properly filter user input for the specific functionality. Rated critical severity
A vulnerability of remote credential disclosure was discovered in Advan VD-1 firmware versions up to 230. Rated critical
A relative path traversal vulnerability found in Advan VD-1 firmware versions up to 230. Rated high severity (CVSS 7.5),
A XSS found in Advan VD-1 firmware versions up to 230. Rated medium severity (CVSS 6.1), this vulnerability is remotely
An issue was discovered in GeoVision GV-Edge Recording Manager 2.2.3.0 for windows, which contains improper permissions
GV Edge Recording Manager (ERM) v2.3.1 improperly executes application components with SYSTEM-level privileges, allowing
In GeoVision GV-ADR2701 cameras, an attacker could edit the login response to access the web application. Rated critical
Unauthenticated remote control of GeoVision GV-LPC2211 license-plate-capture cameras (firmware V1.13) is possible becaus
Authenticated ONVIF command injection in GeoVision GV-LPC2211 V1.13 allows a low-privileged network attacker to execute
GeoVision GV-ASmanager's GeoWebServer.exe web service is vulnerable to a stack-based buffer overflow that allows remote,
GV-Eye V3.6.0 transmits a sensitive key as a URL parameter over unencrypted HTTP, so the key travels across the network
GitHub PoC
Exploit-DB