VulnerabilityModified
CVE-2020-5956
The software SMI handler allows untrusted external input because it does not verify CommBuffer.
HIGH 7.5EPSS 0.81%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.81%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An issue was discovered in SdLegacySmm in Insyde InsydeH2O with kernel 5.1 before 05.15.11, 5.2 before 05.25.11, 5.3 before 05.34.11, and 5.4 before 05.42.11. The software SMI handler allows untrusted external input because it does not verify CommBuffer.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 0.81% probability · 55th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- insyde/insydeh2o
- Source
- cve@mitre.org
References
- https://security.netapp.com/advisory/ntap-20220223-0001/Third Party Advisory
- https://www.insyde.com/security-pledgeVendor Advisory
- https://security.netapp.com/advisory/ntap-20220223-0001/Third Party Advisory
- https://www.insyde.com/security-pledgeVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.