An information leakage vulnerability in the Bluetooth Low Energy advertisement scan response in Bluetooth Core Specifications 4.0 through 5.2, and extended scan response in Bluetooth Core Specifications 5.0 through 5.2, may be used to identify devices using Resolvable Private Addressing (RPA) by their response or non-response to specific scan requests from remote addresses. RPAs that have been associated with a specific remote device may also be used to identify a peer in the same manner by using its reaction to an active scan request. This has also been called an allowlist-based side channel.
CVE-2020-35473
Score 4.3 from GitHub Security Advisory published 2022-11-08. NVD baseline CVSS 4.3; sources differ by 0.0.
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 4.3
- EG Score
- 4.3(medium)
- EPSS
- 25.8%
- KEV
- Not listed
Published
November 8, 2022
Last Modified
May 1, 2025
References (4)
- cve@mitrehttps://dl.acm.org/doi/10.1145/3548606.3559372
- cve@mitrehttps://www.sigsac.org/ccs/CCS2022/proceedings/ccs-proceedings.html
- af854a3a-2127-422b-91ae-364da2661108https://dl.acm.org/doi/10.1145/3548606.3559372
- af854a3a-2127-422b-91ae-364da2661108https://www.sigsac.org/ccs/CCS2022/proceedings/ccs-proceedings.html
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 9× in last 7d / 37× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-11 08:25 UTCEPSS rescore
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- 2026-05-26 07:17 UTCEPSS rescore
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- 2026-05-25 12:33 UTCEG score recompute
- 2026-05-25 12:33 UTCGHSA enrichment
- 2026-05-24 21:42 UTCOSV refresh
Related CVEs(same CWE)
Same CWE
10 shownCWE-294 · CWE-203
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- CVE-2019-10071EG 9.8EPSS 95%CRITICAL
- CVE-2018-1000884EG 9.8CRITICAL
- CVE-2018-7790EG 9.8CRITICAL
- CVE-2017-6034EG 9.8EPSS 91%CRITICAL
- CVE-2018-17903EG 9.1CRITICAL
- CVE-2017-5753NVD 5.6EG 9.0EPSS 100%MEDIUM
- CVE-2017-5715NVD 5.6EG 9.0EPSS 99%MEDIUM
- CVE-2018-19023EG 8.8HIGH
Frequently asked(5)
What is CVE-2020-35473?
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Dependency Blast Radius
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