Risk Scores
EPSS Score
2.13%
84.0th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:25.10 | xen | 4.20.0+68-g35cb38b222-1, 4.20.0-1ubuntu1, 0 |
| Ubuntu:24.04:LTS | xen | 4.17.2+76-ge1f9cb16e2-1, 4.17.2+76-ge1f9cb16e2-1ubuntu1, 4.17.3+10-g091466ba55-1 |
| Ubuntu:20.04:LTS | xen | 4.9.2-0ubuntu6, 4.9.2-0ubuntu7, 4.11.3+24-g14b62ab3e5-1ubuntu1 |
| Ubuntu:22.04:LTS | xen | 4.16.0-1~ubuntu2, 4.16.0-1~ubuntu2.1, 0 |
| Ubuntu:18.04:LTS | xen | 4.9.0-0ubuntu4, 4.9.2-0ubuntu1, 0 |
| Ubuntu:16.04:LTS | xen | 0, 4.6.0-1ubuntu2, 4.6.0-1ubuntu4 |
Timeline
- Aug 26, 2021 CVE Published
- Aug 27, 2021 PoC Published
- Aug 28, 2021 EPSS Score
- Sep 8, 2021 EPSS Score
- Sep 25, 2021 EPSS Score
- Oct 10, 2021 EPSS Score
- Oct 25, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Feb 17, 2022 EPSS Score
- Apr 15, 2022 EPSS Score
- Jun 12, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2021-28700 third-party-advisory
- https://xenbits.xen.org/xsa/advisory-383.html third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2021-28700 third-party-advisory