6.5

CVE-2020-24490: bluez

Modified
AliasesUBUNTU-CVE-2020-24490DEBIAN-CVE-2020-24490CGA-6cp4-74r9-9j6w
Published 02-02-2021Last modified 04-08-2024

Vulnerability summary

CVE-2020-24490 is a medium (CVSS 6.5) vulnerability in bluez. EPSS estimates a 2.22% chance of exploitation in the next 30 days, higher than 82.7% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 6.5, adjacent network); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
6.5/10
010
Medium · v3.1 (NVD)
EPSS score
2.22%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 23 · Related 20
DLA-2420-1LSN-0073-1MGASA-2020-0392OPENSUSE-SU-2020:1698-1OPENSUSE-SU-2020:2112-1OPENSUSE-SU-2021:0242-1

Timeline

  1. 02-02-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

Improper buffer restrictions in BlueZ may allow an unauthenticated user to potentially enable denial of service via adjacent access. This affects all Linux kernel versions that support BlueZ.

CVSS metrics

6 scores · 5 sources · 2 versions

EPSS trend

Probability

2.22%

Chance of exploitation in the next 30 days

Percentile

83%

Versus all other CVEs

30-day change

No change 0.00 pp

From 2.22% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: adjacent network, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu46 products
  • linux< 4.4.0-262.296 | < 4.15.0-122.124 | < 5.4.0-52.57 | < 5.15.0-130.140 | < 6.8.0-35.35
  • linux-aws< 5.15.0-1076.83 | < 6.8.0-1009.9
  • linux-aws-5.15< 5.15.0-1075.82~20.04.1
  • linux-aws-fips< 4.15.0-2031.32 | All versions (No fix recorded) | < 5.4.0-1069.73+fips2 | < 5.15.0-1076.83+fips1
  • linux-azure< 5.15.0-1078.87 | < 6.8.0-1008.8
Chainguard8 products
  • bluezAll versions (No fix recorded)
  • bluez-btmgmtAll versions (No fix recorded)
  • bluez-btmonAll versions (No fix recorded)
  • bluez-cupsAll versions (No fix recorded)
  • bluez-dbgAll versions (No fix recorded)
Wolfi8 products
  • bluezAll versions (No fix recorded)
  • bluez-btmgmtAll versions (No fix recorded)
  • bluez-btmonAll versions (No fix recorded)
  • bluez-cupsAll versions (No fix recorded)
  • bluez-dbgAll versions (No fix recorded)
Bluez1 product
Debian1 product
  • linux< 5.7.17-1

5 vendors · 64 products

References

16 links
Show all 16 references