CVE-2021-46705

Name: CVE-2021-46705
Creator: NVD / NIST
Published: 2022-03-16T10:15:08.15+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.4/10EPSS 0.24%

Last modified Jun 17, 2026

CVE-2021-46705 is a medium-severity vulnerability rated 4.4/10 on the CVSS scale. 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. EPSS estimates a 0.24% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

4.4/10

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

EPSS Probability

0.24%

14.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-377

Affected Software

Vendor	Product	Versions
Gnu	Grub2	< 2.06-150400.7.1
Gnu	Grub2	< 2.06-18.1

References

https://bugzilla.suse.com/show_bug.cgi?id=1190474Exploit, Issue Tracking, Vendor Advisory
https://bugzilla.suse.com/show_bug.cgi?id=1190474Exploit, Issue Tracking, Vendor Advisory

Timeline

Published: Mar 16, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-46705?

How severe is CVE-2021-46705?

CVE-2021-46705 has a CVSS score of 4.4/10 (MEDIUM severity). The EPSS model estimates a 0.24% probability of exploitation in the next 30 days.

How do I fix CVE-2021-46705?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-46705?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST