CVE-2020-3931
GeoVision
- Published
- 8 July 2020
- Last modified
- 17 June 2026
- CVSS
- 9.8 v3.1
- Severity
- critical
- EPSS
- 1.8% (77th pct)
- CISA KEV
- Not listed
- NVD status
- Modified
- Weaknesses
- CWE-120
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Description
Buffer overflow exists in Geovision Door Access Control device family, an unauthenticated remote attacker can execute arbitrary command.
Exploitation
Not listed in the CISA Known Exploited Vulnerabilities catalogue as of 2026.09.04. That is an absence of confirmed public exploitation, not evidence that exploitation has not occurred. EPSS models a 1.8% probability of exploitation activity in the next 30 days.
Affected products
| Product | Vendor | Type | Versions named |
|---|---|---|---|
| Gv-as1010 | GeoVision | unknown | < 1.32 |
| Gv-as210 | GeoVision | unknown | < 2.21 |
| Gv-as410 | GeoVision | unknown | < 2.21 |
| Gv-as810 | GeoVision | unknown | < 2.21 |
| Gv-gf1921 | GeoVision | unknown | < 1.10 |
| Gv-gf1922 | GeoVision | unknown | < 1.10 |
References
- https://www.acronis.com/en-us/blog/posts/backdoor-wide-open-critical-vulnerabilities-uncovered-geovision third-party
- https://www.twcert.org.tw/tw/cp-132-3754-b77d0-1.html third-party
- https://www.acronis.com/en-us/blog/posts/backdoor-wide-open-critical-vulnerabilities-uncovered-geovision third-party
- https://www.twcert.org.tw/tw/cp-132-3754-b77d0-1.html third-party
Record assembled from NVD, CISA KEV 2026.09.04 and FIRST EPSS 2026-09-04. Affected products are those NVD's CPE configuration names that fall inside this site's scope; a CVE may affect products outside it.