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CVE-2021-46772

LOW
Published 2024-08-13T16:50:54.016Z
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Expert Analysis

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CVSS Score

V3.1
3.9
/10
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:L
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.000
probability
of exploitation in the wild

There is a 0.0% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.100
Higher than 10.0% of all CVEs

Attack Vector Metrics

Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED

Impact Metrics

Confidentiality
NONE
Integrity
LOW
Availability
LOW

Description

Insufficient input validation in the ABL may allow a privileged
attacker with access to the BIOS menu or UEFI shell to tamper with the
structure headers in SPI ROM causing an out of bounds memory read and write,
potentially resulting in memory corruption or denial of service.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed LOW

GHSA-mgjx-cq94-rwcv

Advisory Details

Insufficient input validation in the ABL may allow a privileged attacker with access to the BIOS menu or UEFI shell to tamper with the structure headers in SPI ROM causing an out of bounds memory read and write, potentially resulting in memory corruption or denial of service.

CVSS Scoring

CVSS Score

2.5

CVSS Vector

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

Advisory provided by GitHub Security Advisory Database. Published: August 13, 2024, Modified: August 13, 2024

References

Published: 2024-08-13T16:50:54.016Z
Last Modified: 2024-11-05T21:18:50.631Z
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