VDB
CVE-2020-26556
CVE-2020-26556
PUBLISHED
Mesh Provisioning in the Bluetooth Mesh profile 1.0 and 1.0.1 may permit a nearby device, able to conduct a successful brute-force attack on an insufficiently random AuthValue before the provisioning procedure times out, to complete authentication by leveraging Malleable Commitment.
EPSS 0.90% · 76.1th percentile
Risk Scores
EPSS Score
0.90%
76.1th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:Pro:FIPS-preview:22.04:LTS | linux-azure-fips | *, 0 |
| Ubuntu:Pro:FIPS-updates:24.04:LTS | linux-aws-fips | 6.8.0-1046.49+fips1, *, * |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1054.62.1, 5.15.0-1019.24.1, 5.15.0-1056.64.1 |
| Ubuntu:Pro:20.04:LTS | linux-gcp-5.15 | 5.15.0-1031.38~20.04.1, 5.15.0-1033.41~20.04.1, 5.15.0-1034.42~20.04.1 |
| Ubuntu:20.04:LTS | linux-hwe-5.11 | 5.11.0-36.40~20.04.1, 5.11.0-37.41~20.04.2, 5.11.0-38.42~20.04.1 |
| Ubuntu:16.04:LTS | linux-hwe-edge | *, 4.15.0-23.25~16.04.1, 4.15.0-22.24~16.04.1 |
| Ubuntu:Pro:18.04:LTS | linux-oracle | 4.15.0-1051.55, 4.15.0-1039.43, 4.15.0-1038.42 |
| Ubuntu:24.04:LTS | linux-hwe-6.14 | 6.14.0-32.32~24.04.1, 6.14.0-33.33~24.04.1, 6.14.0-34.34~24.04.1 |
| Ubuntu:Pro:FIPS:18.04:LTS | linux-gcp-fips | 0, 4.15.0-1001.1 |
| Ubuntu:18.04:LTS | linux-gcp | 5.0.0-1029.30~18.04.1, 5.0.0-1033.34, 5.0.0-1034.35 |
| Ubuntu:Pro:FIPS-updates:24.04:LTS | linux-fips | 6.8.0-85.85+fips1, 6.8.0-86.87+fips1, 6.8.0-87.88+fips1 |
| Ubuntu:Pro:FIPS:18.04:LTS | linux-fips | 0, 4.15.0-1011.12 |
| Ubuntu:Pro:20.04:LTS | linux-raspi | 5.4.0-1025.28, 5.4.0-1026.29, 5.4.0-1029.32 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra-igx | 5.15.0-1023.23, 5.15.0-1004.4, 0 |
| Ubuntu:Pro:FIPS:20.04:LTS | linux-aws-fips | 5.4.0-1021.21+fips2, 0 |
| Ubuntu:18.04:LTS | linux-gkeop-5.4 | 5.4.0-1021.22~18.04.1, 5.4.0-1018.19~18.04.1, 5.4.0-1011.12~18.04.2 |
| Ubuntu:22.04:LTS | linux-starfive-6.5 | *, 6.5.0-1016.17~22.04.1, 6.5.0-1014.15~22.04.1 |
| Ubuntu:24.04:LTS | linux-hwe-6.17 | 0, 6.17.0-14.14~24.04.1 |
| Ubuntu:24.04:LTS | linux-gcp-6.17 | 0, 6.17.0-1004.4~24.04.3, 6.17.0-1008.8~24.04.1 |
| Ubuntu:24.04:LTS | linux-gcp-6.11 | 6.11.0-1015.15~24.04.1, 6.11.0-1014.14~24.04.1, 6.11.0-1013.13~24.04.1 |
…and 219 more
Timeline
- May 24, 2021 CVE Published
- May 25, 2021 EPSS Score
- Jul 27, 2021 EPSS Score
- Oct 5, 2021 EPSS Score
- Oct 11, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Jan 27, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 30, 2022 EPSS Score
- Sep 30, 2022 EPSS Score
- Dec 1, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2020-26556 third-party-advisory
- https://kb.cert.org/vuls/id/799380 third-party-advisory
- https://www.bluetooth.com/learn-about-bluetooth/key-attributes/bluetooth-security/malleable/ third-party-advisory
- https://www.bluetooth.com/learn-about-bluetooth/key-attributes/bluetooth-security/reporting-security/ third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2020-26556 third-party-advisory