How severe is CVE-2020-3931?

CVE-2020-3931 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-3931 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-3931?

CVE-2020-3931 primarily affects Geovision Gv-as210 Firmware. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-3931?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2020-3931 published?

CVE-2020-3931 was published on 2020-07-08 and last updated on 2026-06-17.

CVE-2020-3931

CVE-2020-3931 is a critical-severity vulnerability in Geovision Gv-as210 Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-120.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Geovision Gv-as210 Firmware
Published: 2020-07-08
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2020-3931?: Buffer overflow exists in Geovision Door Access Control device family, an unauthenticated remote attacker can execute arbitrary command.
How severe is CVE-2020-3931?: CVE-2020-3931 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-3931 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-3931?: CVE-2020-3931 primarily affects Geovision Gv-as210 Firmware. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-3931?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2020-3931 published?: CVE-2020-3931 was published on 2020-07-08 and last updated on 2026-06-17.

References

Affected products (6)

cpe:2.3:o:geovision:gv-as210_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:geovision:gv-as410_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:geovision:gv-as810_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:geovision:gv-gf1921_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:geovision:gv-as1010_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:geovision:gv-gf1922_firmware:*:*:*:*:*:*:*:*

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