CVE-2020-3931
GeoVision Door Access Control Device - Buffer overflow vulnerability
CRITICAL
9.8
CVSS Score
Published: July 8, 2020 at 10:05 AM UTC
Updated: June 17, 2026 at 03:19 AM UTC
13 products affected across 1 vendorGv AS410 FirmwareGv AS210 FirmwareGv GF1922 Firmware
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Severity
CRITICAL9.8
Exploit prediction
EPSS 2%
Description
Buffer overflow exists in Geovision Door Access Control device family, an unauthenticated remote attacker can execute arbitrary command.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 1.32
Affected range stops below 1.32, so it looks safe — our inference, not a vendor statement
geovision-gv-as1010 (same device)
v < 2.21
Affected range stops below 2.21, so it looks safe — our inference, not a vendor statement
geovision-gv-as210 (same device)
v < 2.21
Affected range stops below 2.21, so it looks safe — our inference, not a vendor statement
geovision-gv-as410 (same device)
v < 2.21
Affected range stops below 2.21, so it looks safe — our inference, not a vendor statement
geovision-gv-as810 (same device)
v < 1.10
Affected range stops below 1.10, so it looks safe — our inference, not a vendor statement
geovision-gv-gf1921 (same device)
v < 1.10
Affected range stops below 1.10, so it looks safe — our inference, not a vendor statement
geovision-gv-gf1922 (same device)
Gv-As1010· Geovisiondevice
80%All versions
Gv-As210· Geovisiondevice
80%All versions
Gv-As410· Geovisiondevice
80%All versions
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (2)
x_refsource_MISCThird Party Advisory
Source: [email protected]
https://www.acronis.com/en-us/blog/posts/backdoor-wide-open-critical-vulnerabilities-uncovered-geovisionx_refsource_MISCThird Party Advisory
Source: [email protected]
https://www.twcert.org.tw/tw/cp-132-3754-b77d0-1.htmlCVSS
9.8CRITICALtwcert
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-120
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