CVE-2020-21050

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

1.55% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 72.9% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

2021-09-14 15:09Z4 YR AGO

Last updated

2024-08-04 14:22Z2 YR AGO

Reserved

2020-08-13

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-787Out-of-bounds WriteBase

Data version

5.1

Document digest

80b65fc76022e3fd6e186cea2a570bf6030359d69cc7f4049618b8a46e01fc7b

• cwe.mitre.orghttps://cwe.mitre.org/data/definitions/121.htmlx_refsource_MISC
• github.comhttps://github.com/saitoha/libsixel/blob/master/ChangeLogx_refsource_MISC
• github.comhttps://github.com/saitoha/libsixel/releases/tag/v1.8.5x_refsource_MISC
• github.comhttps://github.com/saitoha/libsixel/issues/75x_refsource_MISC
• github.comhttps://github.com/saitoha/libsixel/commit/7808a06b88c11dbc502318cdd51fa374f8cd47eex_refsource_MISC
• bitbucket.orghttps://bitbucket.org/netbsd/pkgsrc/commits/a27113e21179cbfbfae0c35f6a9edd6aa498faaex_refsource_MISC