9.1
CVE-2021-20487
- EPSS 0.13%
- Veröffentlicht 26.05.2021 17:15:14
- Zuletzt bearbeitet 21.11.2024 05:46:39
- Quelle psirt@us.ibm.com
- CVE-Watchlists
- Unerledigt
IBM Power9 Self Boot Engine(SBE) could allow a privileged user to inject malicious code and compromise the integrity of the host firmware bypassing the host firmware signature verification process.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Ibm ≫ Power9 System Firmware Version >= fw930.00 < fw930.30
Ibm ≫ Power9 System Firmware Version >= fw940.00 < fw940.20
Ibm ≫ Power9 System Firmware Version < fw950.00
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.13% | 0.289 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| nvd@nist.gov | 9.1 | 2.3 | 6 |
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
|
| nvd@nist.gov | 6.5 | 8 | 6.4 |
AV:N/AC:L/Au:S/C:P/I:P/A:P
|
| psirt@us.ibm.com | 8 | 1.3 | 6 |
CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
|
CWE-347 Improper Verification of Cryptographic Signature
The product does not verify, or incorrectly verifies, the cryptographic signature for data.