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CVE-2021-46790

HIGHCVSS 7.8/10EPSS 0.50%

Last modified

CVE-2021-46790 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. ntfsck in NTFS-3G through 2021.8.22 has a heap-based buffer overflow involving buffer+512*3-2. NOTE: the upstream position is that ntfsck is deprecated; however, it is shipped by some Linux distributions.. EPSS estimates a 0.50% chance of exploitation in the next 30 days.

Description

ntfsck in NTFS-3G through 2021.8.22 has a heap-based buffer overflow involving buffer+512*3-2. NOTE: the upstream position is that ntfsck is deprecated; however, it is shipped by some Linux distributions.

Metrics

CVSS 3.1
7.8/10

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

EPSS Probability
0.50%

38.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
TuxeraNtfs-3g<= 2021.8.22
DebianDebian Linux10.0
DebianDebian Linux11.0
FedoraprojectFedora35
FedoraprojectFedora36

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-46790?
ntfsck in NTFS-3G through 2021.8.22 has a heap-based buffer overflow involving buffer+512*3-2. NOTE: the upstream position is that ntfsck is deprecated; however, it is shipped by some Linux distributions.
How severe is CVE-2021-46790?
CVE-2021-46790 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.50% probability of exploitation in the next 30 days.
How do I fix CVE-2021-46790?
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-2021-46790?

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

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Source: NVD / NIST