HOMEVULNERABILITIESCVE-2020-26560
HIGH

CVE-2020-26560

CWE-863Published: May 24, 2021· Updated: Jun 17, 2026

8.1
CVSS v3.1

Official Description

Bluetooth Mesh Provisioning in the Bluetooth Mesh profile 1.0 and 1.0.1 may permit a nearby device, reflecting the authentication evidence from a Provisioner, to complete authentication without possessing the AuthValue, and potentially acquire a NetKey and AppKey.

NVD Source

Technical Analysis

CVE-2020-26560 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), with a CVSS base score of 8.1.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorAdjacent
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected Vendors & Products

bluetooth1 product(s)
mesh profile
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://kb.cert.org/vuls/id/799380
ADVISORYhttps://www.bluetooth.com/learn-about-bluetooth/key-attributes/bluetooth-security/reporting-security/
ADVISORYhttps://kb.cert.org/vuls/id/799380
ADVISORYhttps://www.bluetooth.com/learn-about-bluetooth/key-attributes/bluetooth-security/reporting-security/

All References (5)

→
https://kb.cert.org/vuls/id/799380Third Party Advisory · US Government Resource
→
https://www.bluetooth.com/learn-about-bluetooth/key-attributes/bluetooth-security/reporting-security/Vendor Advisory
→
https://kb.cert.org/vuls/id/799380Third Party Advisory · US Government Resource
→
https://www.bluetooth.com/learn-about-bluetooth/key-attributes/bluetooth-security/reporting-security/Vendor Advisory
→
https://www.kb.cert.org/vuls/id/799380

Quick Facts

CVE IDCVE-2020-26560
CVSS Score8.1 / 10
SeverityHIGH
WeaknessCWE-863
CISA KEVNo
Affected1 vendor(s)
PublishedMay 24, 2021

Related CVEs (CWE-863)

CVE-2020-13300
10.0
CVE-2021-38503
10.0
CVE-2026-44330
10.0
CVE-2018-18815
10.0
CVE-2026-48321
10.0
CVE-2023-4617
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2020-26560 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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