CVE-2020-3931 GeoVision Door Access Control Device - Buffer overflow vulnerability

Critical 9.8 Published Updated

An unauthenticated remote attacker can execute arbitrary commands via a buffer overflow in GeoVision Door Access Control devices.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2020-3931?

CVE-2020-3931 is a critical memory corruption vulnerability in GeoVision Door Access Control Device, published on 8 Jul 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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

Weakness: CWE-120

Which versions are affected by CVE-2020-3931?

It affects 6 products.

Products include Geovision Gv-As1010 Firmware, Geovision Gv-As210 Firmware, Geovision Gv-As410 Firmware, Geovision Gv-As810 Firmware, Geovision Gv-Gf1921 Firmware, Geovision Gv-Gf1922 Firmware.

How do I fix CVE-2020-3931?

No fix has been published for CVE-2020-3931 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2020-3931 being exploited?

There is no known exploitation of CVE-2020-3931 in the wild and no public exploit code.

Sources

Also known as GHSA-j9mx-25jx-xgrh.

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