CVE-2022-34303

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.85% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 58.2% of scored records. A rank, not a probability.

NVD base score

6.7 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2022-08-26 00:00Z4 YR AGO

Last updated

2024-08-03 09:07Z2 YR AGO

Reserved

2022-06-22

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-494Download of Code Without Integrity CheckBase

Data version

5.1

Document digest

c048de9d8031644ca16c584aa728f79a996b05d6b0bce7d98c6b6c22c9118a40

• edk2-docs.gitbook.iohttps://edk2-docs.gitbook.io/understanding-the-uefi-secure-boot-chain/secure_boot_chain_in_uefi/uefi_secure_boot
• www.kb.cert.orghttps://www.kb.cert.org/vuls/id/309662
• www.intel.comhttps://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01001.html