Vulnerability Details : CVE-2021-46705
Potential exploit
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.
Products affected by CVE-2021-46705
- cpe:2.3:a:gnu:grub2:*:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:grub2:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-46705
0.08%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 25 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-46705
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
2.1
|
LOW | AV:L/AC:L/Au:N/C:N/I:P/A:N |
3.9
|
2.9
|
NIST | |
5.1
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L |
2.5
|
2.5
|
SUSE | |
4.4
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L |
1.8
|
2.5
|
NIST |
CWE ids for CVE-2021-46705
-
Creating and using insecure temporary files can leave application and system data vulnerable to attack.Assigned by: meissner@suse.de (Primary)
References for CVE-2021-46705
-
https://bugzilla.suse.com/show_bug.cgi?id=1190474
Bug 1190474 – VUL-0: CVE-2021-46705: grub2: grub2-once uses fixed file name in /var/tmpExploit;Issue Tracking;Vendor Advisory
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