CVE-2020-5955 json
An issue was discovered in Int15MicrocodeSmm in Insyde InsydeH2O before 2021-10-14 on Intel client chipsets.
published 5y ago modified 4mo ago also EUVD-2020-27109
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.4%
- EPSS 1.4% chance of exploitation in 30 days, percentile 72%
- public exploits
- 0
- none known
Summary
An issue was discovered in Int15MicrocodeSmm in Insyde InsydeH2O before 2021-10-14 on Intel client chipsets. A caller may be able to escalate privileges.
Patch / fix
- insyde insydeh2o_uefi_bios 05.04.15.0001, 05.04.21.0068, 05.05.39.0001, 05.10.48.0001, 05.11.26.0015, 05.12.09.0075, 05.21.43.0001, 05.21.51.0040, 05.23.04.0045, 05.23.27.0001, 05.23.45.0023, 05.32.30.0001, 05.32.47.0001, 05.34.09.0030, 05.41.35.0001, 05.42.09.0003, 05.42.11.0026
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Check with FencerExploit prediction
1.41% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
References
-
insyde.com
/products
product, vendor-advisory
-
insyde.com
/security-pledge/SA-2021002
vendor-advisory
-
security.netapp.com
/advisory/ntap-20220223-0003/
third-party-advisory
Sources
- CVE List CVE-2020-5955
- NVD CVE-2020-5955
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.