CVE-2021-20699

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

1.66% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 76.1% 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

2021-06-07 13:25Z5 YR AGO

Last updated

2025-12-08 15:51Z10 MO AGO

Reserved

2020-12-17

Assigning CNA

NEC

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-77Improper Neutralization of Special Elements used in a Command ('Command Injection')Class
• CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')Base

Data version

5.2

Document digest

57a45c0def1cbe94e7fd95ade291b141275c773cff8be6d672ade79637191871

• sharp-displays.jp.sharphttps://sharp-displays.jp.sharp/global/support/info/A5-1_vulnerability.htmlx_refsource_MISC
• www.sharp-nec-displays.comhttps://www.sharp-nec-displays.com/global/support/info/A5-1_vulnerability.htmlx_refsource_MISC