Medium severity · published Mar 16, 2022
CVE-2021-46705
A Insecure Temporary File vulnerability in grub-once of grub2 in SUSE Linux Enterprise Server 15 SP4, openSUSE Factory allows local attackers to truncate arbitrary files
4.4
CVSS
0.2%
EPSS
No
On KEV
Description
A Insecure Temporary File vulnerability in grub-once of grub2 in SUSE Linux Enterprise Server 15 SP4, openSUSE Factory allows local attackers to truncate arbitrary files. This issue affects: SUSE Linux Enterprise Server 15 SP4 grub2 versions prior to 2.06-150400.7.1. SUSE openSUSE Factory grub2 versions prior to 2.06-18.1.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 15% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GR
Grub2 · Gnu
before 2.06-150400.7.1; before 2.06-18.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-46705
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-46705
Exploit
https://bugzilla.suse.com/show_bug.cgi?id=1190474
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