CVE-2020-3931 :: Enginsight Vulnerability Database

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	Primary	9.8 CRITICAL	NETWORK	LOW	NONE	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
twcert	CNA	9.8 CRITICAL	NETWORK	LOW	NONE	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Base Score

CVSS 3.x

EPSS Score

Percentile: 82%

Affected Products (NVD)

Vendor	Product	Version
geovision	gv-as210_firmware	𝑥 < 2.21
geovision	gv-as410_firmware	𝑥 < 2.21
geovision	gv-as810_firmware	𝑥 < 2.21
geovision	gv-gf1921_firmware	𝑥 < 1.10
geovision	gv-as1010_firmware	𝑥 < 1.32
geovision	gv-gf1922_firmware	𝑥 < 1.10

𝑥

= Vulnerable software versions

Common Weakness Enumeration

CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
The program copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.

References

https://www.acronis.com/en-us/blog/posts/backdoor-wide-open-critical-vulnerabilities-uncovered-geovision

https://www.twcert.org.tw/tw/cp-132-3754-b77d0-1.html

https://www.acronis.com/en-us/blog/posts/backdoor-wide-open-critical-vulnerabilities-uncovered-geovision

https://www.twcert.org.tw/tw/cp-132-3754-b77d0-1.html