How severe is CVE-2021-0129?

CVE-2021-0129 has a CVSS 3.x base score of 5.7, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-0129 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-0129?

CVE-2021-0129 primarily affects Bluez. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-0129?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-0129 published?

CVE-2021-0129 was published on 2021-06-09 and last updated on 2026-06-17.

CVE-2021-0129

CVE-2021-0129 is a medium-severity vulnerability in Bluez with a CVSS 3.x base score of 5.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 5.7)
CVSS v2: 2.7
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Bluez
Published: 2021-06-09
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2021-0129?: Improper access control in BlueZ may allow an authenticated user to potentially enable information disclosure via adjacent access.
How severe is CVE-2021-0129?: CVE-2021-0129 has a CVSS 3.x base score of 5.7, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-0129 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-0129?: CVE-2021-0129 primarily affects Bluez. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-0129?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-0129 published?: CVE-2021-0129 was published on 2021-06-09 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:bluez:bluez:*:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

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