CVE-2020-26558

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

0.87% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 56.3% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

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

2021-05-24 17:22Z5 YR AGO

Last updated

2025-11-04 19:12Z10 MO AGO

Reserved

2020-10-04

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-287Improper AuthenticationClass

Data version

5.2

Document digest

c30eacc695dbd3b55d1be9c4a97a63b4df69aadeb040431e3a345657e6741034

• www.bluetooth.comhttps://www.bluetooth.com/learn-about-bluetooth/key-attributes/bluetooth-security/reporting-security/x_refsource_MISC
• kb.cert.orghttps://kb.cert.org/vuls/id/799380x_refsource_MISC
• lists.fedoraproject.orgFEDORA-2021-a35b44fd9fhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NSS6CTGE4UGTJLCOZOASDR3T3SLL6QJZ/vendor-advisoryx_refsource_FEDORA
• www.intel.comhttps://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00520.htmlx_refsource_CONFIRM
• www.intel.comhttps://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00517.htmlx_refsource_CONFIRM
• lists.debian.org[debian-lts-announce] 20210623 [SECURITY] [DLA 2689-1] linux security updatehttps://lists.debian.org/debian-lts-announce/2021/06/msg00020.htmlmailing-listx_refsource_MLIST
• lists.debian.org[debian-lts-announce] 20210623 [SECURITY] [DLA 2690-1] linux-4.19 security updatehttps://lists.debian.org/debian-lts-announce/2021/06/msg00019.htmlmailing-listx_refsource_MLIST
• lists.debian.org[debian-lts-announce] 20210626 [SECURITY] [DLA 2692-1] bluez security updatehttps://lists.debian.org/debian-lts-announce/2021/06/msg00022.htmlmailing-listx_refsource_MLIST
• www.debian.orgDSA-4951https://www.debian.org/security/2021/dsa-4951vendor-advisoryx_refsource_DEBIAN
• security.gentoo.orgGLSA-202209-16https://security.gentoo.org/glsa/202209-16vendor-advisoryx_refsource_GENTOO
• www.kb.cert.orghttps://www.kb.cert.org/vuls/id/799380