What is CVE-2020-3931?

CVE-2020-3931 is a critical-severity vulnerability in Geovision Door Access Control Device, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2020-07-08.

How severe is CVE-2020-3931?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Geovision Door Access Control Device

CVE-2020-3931

Buffer overflow exists in Geovision Door Access Control device family, an unauthenticated remote attacker can execute arbitrary command.

Vulnerability class: Buffer Overflow

EPSS: 0.018 (75.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Geovision Door Access Control Device — versions GV-AS210, GV-AS410, GV-AS810
Geovision Gv-as1010
Geovision Gv-as1010_firmware
Geovision Gv-as210
Geovision Gv-as210_firmware
Geovision Gv-as410
Geovision Gv-as410_firmware
Geovision Gv-as810
Geovision Gv-as810_firmware
Geovision Gv-gf1921

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

twcert@cert.org.tw (Third Party Advisory, x_refsource_MISC)
twcert@cert.org.tw (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-3931?: CVE-2020-3931 is a critical-severity vulnerability in Geovision Door Access Control Device, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2020-07-08.
How severe is CVE-2020-3931?: Critical severity. CVSS v3 base score is 9.8 out of 10.