CVE-2020-26570

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

0.40% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 32.9% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

Moderate. Red Hat's rating for its own products, not a CVSS rating.

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

2020-10-06 01:04Z5 YR AGO

Last updated

2024-08-04 15:56Z2 YR AGO

Reserved

2020-10-06

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

f5ea017a7d735ef766a377086597fff6a0695a9115ed273b337e99a074f3cca2

• bugs.chromium.orghttps://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24316x_refsource_MISC
• github.comhttps://github.com/OpenSC/OpenSC/commit/6903aebfddc466d966c7b865fae34572bf3ed23ex_refsource_MISC
• www.openwall.com[oss-security] 20201124 OpenSC 0.21.0 releasedhttp://www.openwall.com/lists/oss-security/2020/11/24/4mailing-listx_refsource_MLIST
• lists.fedoraproject.orgFEDORA-2020-7c80831ffehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EXOHFDMNMO6IDECAGUTB3SJGAGXVRT6S/vendor-advisoryx_refsource_FEDORA
• lists.debian.org[debian-lts-announce] 20211129 [SECURITY] [DLA 2832-1] opensc security updatehttps://lists.debian.org/debian-lts-announce/2021/11/msg00027.htmlmailing-listx_refsource_MLIST