CVE-2021-0129: bluez
Vulnerability summary
CVE-2021-0129 is a medium (CVSS 5.7) vulnerability in bluez. EPSS estimates a 0.83% chance of exploitation in the next 30 days, higher than 57.5% of scored vulnerabilities.
Not severe (CVSS 5.7, adjacent network); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 37 · Related 31Timeline
- 09-06-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
Improper access control in BlueZ may allow an authenticated user to potentially enable information disclosure via adjacent access.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated5.7MediumCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- OSV · DebianEcosystem advisory · calculated5.7MediumCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
0.83%
Chance of exploitation in the next 30 days
Percentile
58%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.83% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Known conditions: adjacent network, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu61 products
- bluez< 5.37-0ubuntu5.3+esm1 | < 5.48-0ubuntu3.5 | < 5.53-0ubuntu3.2
- linuxAll versions (No fix recorded) | < 4.4.0-219.252 | < 4.15.0-151.157 | < 5.4.0-80.90
- linux-aws< 4.4.0-1099.104 | < 4.4.0-1135.149 | < 4.15.0-1109.116 | < 5.4.0-1054.57
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11< 5.11.0-1016.17~20.04.1
Debian3 products
- bluez< 5.55-3.1
- linux< 5.10.40-1
- debian_linuxEOL9.0
Bluez1 product
- bluez< 5.57
Redhat1 product
- enterprise_linuxEOL7.0 | 8.0
4 vendors · 66 products
References
18 links- www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00517.htmlX Refsource MISCREPORTVendor Advisory
lists.debian.org/debian-lts-announce/2021/06/msg00020.htmlMailing ListX Refsource MLISTThird Party Advisory- lists.debian.org/debian-lts-announce/2021/06/msg00019.htmlMailing ListX Refsource MLISTThird Party Advisory
- lists.debian.org/debian-lts-announce/2021/06/msg00022.htmlMailing ListX Refsource MLISTThird Party Advisory
- git.kernel.org/pub/…REPORT