CVE-2020-3931

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

1.76% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 77.6% of scored records. A rank, not a probability.

NVD base score

9.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2020-07-08 10:05Z6 YR AGO

Last updated

2024-09-16 17:23Z2 YR AGO

Reserved

2019-12-20

Assigning CNA

twcert

Record state

PUBLISHED

Severity

Critical (CVSS 9.8)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses

• CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')Base

Data version

5.1

Document digest

5e4d3bb7ab66d5670c8525f60d11a003ebbef303c426ec34e30645dd67ce59d0

• www.twcert.org.twhttps://www.twcert.org.tw/tw/cp-132-3754-b77d0-1.htmlx_refsource_MISC
• www.acronis.comhttps://www.acronis.com/en-us/blog/posts/backdoor-wide-open-critical-vulnerabilities-uncovered-geovisionx_refsource_MISC