CVE-2020-24387

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

1.75% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 75.9% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/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

2020-10-19 19:39Z5 YR AGO

Last updated

2024-08-04 15:12Z2 YR AGO

Reserved

2020-08-19

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-125Out-of-bounds ReadBase
• CWE-787Out-of-bounds WriteBase

Data version

5.1

Document digest

90dee6980ff8df2f72bc8ab49332d3f58b10e0740486019f5ebdc06e96979a1b

• github.comhttps://github.com/Yubico/yubihsm-shellx_refsource_MISC
• developers.yubico.comhttps://developers.yubico.com/yubihsm-shell/x_refsource_MISC
• www.yubico.comhttps://www.yubico.com/support/security-advisories/ysa-2020-06/x_refsource_MISC
• blog.inhq.nethttps://blog.inhq.net/posts/yubico-libyubihsm-vuln/x_refsource_MISC
• lists.fedoraproject.orgFEDORA-2020-8afd443d46https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y77KQJW76M3PFOBFLBT6DLH2NWHYRNZO/vendor-advisoryx_refsource_FEDORA