CVE-2020-10135

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

2.36% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 83.6% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:A/AC:L/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

2020-05-19 15:50Z6 YR AGO

Last updated

2024-09-17 02:57Z2 YR AGO

Reserved

2020-03-05

Assigning CNA

certcc

Record state

PUBLISHED

Severity

Medium (CVSS 5.4)

CNA CVSS vector

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

Weaknesses

• CWE-757Selection of Less-Secure Algorithm During Negotiation ('Algorithm Downgrade')Base
• CWE-290Authentication Bypass by SpoofingBase

Data version

5.1

Document digest

3c6e85d85965060577f50b92e1572781d761f6a580409293d2af0230d30417b4

• kb.cert.orgVU#647177https://kb.cert.org/vuls/id/647177/third-party-advisoryx_refsource_CERT-VN
• seclists.org20200602 BIAS (Bluetooth Impersonation Attack) CVE 2020-10135 reproductionhttp://seclists.org/fulldisclosure/2020/Jun/5mailing-listx_refsource_FULLDISC
• lists.opensuse.orgopenSUSE-SU-2020:1153http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.htmlvendor-advisoryx_refsource_SUSE
• lists.opensuse.orgopenSUSE-SU-2020:1236http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00047.htmlvendor-advisoryx_refsource_SUSE
• francozappa.github.iohttps://francozappa.github.io/about-bias/x_refsource_MISC
• www.bluetooth.comhttps://www.bluetooth.com/learn-about-bluetooth/bluetooth-technology/bluetooth-security/bias-vulnerability/x_refsource_CONFIRM
• packetstormsecurity.comhttp://packetstormsecurity.com/files/157922/Bluetooth-Impersonation-Attack-BIAS-Proof-Of-Concept.htmlx_refsource_MISC