HOMEVULNERABILITIESCVE-2020-12352
MEDIUMPOC

CVE-2020-12352

CWE-909Published: November 23, 2020· Updated: Jun 17, 2026

6.5
CVSS v3.1

Official Description

Improper access control in BlueZ may allow an unauthenticated user to potentially enable information disclosure via adjacent access.

NVD Source

Technical Analysis

CVE-2020-12352 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), with a CVSS base score of 6.5.

A proof-of-concept (PoC) exploit exists for CVE-2020-12352. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

CVSS v3.1 Vector Breakdown

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

Affected Vendors & Products

bluez1 product(s)
bluez
Linux1 product(s)
linux kernel
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

POC AVAILABLEProof-of-concept code exists
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

ADVISORYhttp://packetstormsecurity.com/files/161229/Kernel-Live-Patch-Security-Notice-LSN-0074-1.html
ADVISORYhttp://packetstormsecurity.com/files/162131/Linux-Kernel-5.4-BleedingTooth-Remote-Code-Execution.html
ADVISORYhttps://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00435.html?wapkw=CVE-2020-12351
ADVISORYhttp://packetstormsecurity.com/files/161229/Kernel-Live-Patch-Security-Notice-LSN-0074-1.html
ADVISORYhttp://packetstormsecurity.com/files/162131/Linux-Kernel-5.4-BleedingTooth-Remote-Code-Execution.html
ADVISORYhttps://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00435.html?wapkw=CVE-2020-12351

All References (6)

→
http://packetstormsecurity.com/files/161229/Kernel-Live-Patch-Security-Notice-LSN-0074-1.htmlExploit · Third Party Advisory · VDB Entry
→
http://packetstormsecurity.com/files/162131/Linux-Kernel-5.4-BleedingTooth-Remote-Code-Execution.htmlThird Party Advisory · VDB Entry
→
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00435.html?wapkw=CVE-2020-12351Third Party Advisory
→
http://packetstormsecurity.com/files/161229/Kernel-Live-Patch-Security-Notice-LSN-0074-1.htmlExploit · Third Party Advisory · VDB Entry
→
http://packetstormsecurity.com/files/162131/Linux-Kernel-5.4-BleedingTooth-Remote-Code-Execution.htmlThird Party Advisory · VDB Entry
→
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00435.html?wapkw=CVE-2020-12351Third Party Advisory

Quick Facts

CVE IDCVE-2020-12352
CVSS Score6.5 / 10
SeverityMEDIUM
WeaknessCWE-909
CISA KEVNo
ExploitPOC
Affected2 vendor(s)
PublishedNov 23, 2020

Related CVEs (CWE-909)

CVE-2022-22704
9.8
CVE-2026-40687
9.1
CVE-2020-12523
9.1
CVE-2021-23994
8.8
CVE-2021-29980
8.8
CVE-2020-11741
8.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2020-12352 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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