CVE-2020-26555 (GCVE-0-2020-26555)
Vulnerability from cvelistv5 – Published: 2021-05-24 17:41 – Updated: 2025-11-04 19:12
VLAI
EPSS
VEX
Summary
Bluetooth legacy BR/EDR PIN code pairing in Bluetooth Core Specification 1.0B through 5.2 may permit an unauthenticated nearby device to spoof the BD_ADDR of the peer device to complete pairing without knowledge of the PIN.
Severity
5.4 (Medium)
CWE
- n/a
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://www.bluetooth.com/learn-about-bluetooth/k… | x_refsource_MISC |
| https://kb.cert.org/vuls/id/799380 | x_refsource_MISC |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://www.intel.com/content/www/us/en/security-… | x_refsource_CONFIRM |
| https://www.kb.cert.org/vuls/id/799380 |
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"current_release_date": "2026-06-28T11:57:23+00:00",
"cve": "CVE-2020-26555",
"id": "CVE-2020-26555",
"initial_release_date": "2020-01-01T00:00:00+00:00",
"product_status:fixed": "429",
"product_status:known_affected": "69",
"product_status:known_not_affected": "31",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: Bluetooth BR/EDR PIN Pairing procedure is vulnerable to an impersonation attack",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2020/cve-2020-26555.json",
"version": "3"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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