CVE-2020-27779CWE-285

A flaw was found in grub2 in versions prior to 2.06

published March 3, 2021

CVSS
—
EPSS
0%
Percentile
32.0
In the wild
Unconfirmed
What it is

A flaw was found in grub2 in versions prior to 2.06. The cutmem command does not honor secure boot locking allowing an privileged attacker to remove address ranges from memory creating an opportunity to circumvent SecureBoot protections after proper triage about grub's memory layout. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00390 · 32.0th percentile
Weakness
CWE-285 · Improper Authorization
Published
2021-03-03T16:40Z
EPSS history
Timeline
  • 03 MAR 16:40Z
    A flaw was found in grub2 in versions prior to 2.06
    cvelistv5