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CVE-2021-42373

MEDIUMCVSS 5.5/10EPSS 0.38%

Last modified

CVE-2021-42373 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. A NULL pointer dereference in Busybox's man applet leads to denial of service when a section name is supplied but no page argument is given. EPSS estimates a 0.38% chance of exploitation in the next 30 days.

Description

A NULL pointer dereference in Busybox's man applet leads to denial of service when a section name is supplied but no page argument is given

Metrics

CVSS 3.1
5.5/10

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

EPSS Probability
0.38%

29.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
BusyboxBusybox1.33.0
BusyboxBusybox1.33.1
FedoraprojectFedora33
FedoraprojectFedora34
NetappCloud BackupAll versions
NetappHci Management NodeAll versions
NetappSolidfireAll versions
NetappH300s FirmwareAll versions
NetappH500s FirmwareAll versions
NetappH700s FirmwareAll versions
NetappH300e FirmwareAll versions
NetappH500e FirmwareAll versions
NetappH700e FirmwareAll versions
NetappH410s FirmwareAll versions

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-42373?
A NULL pointer dereference in Busybox's man applet leads to denial of service when a section name is supplied but no page argument is given
How severe is CVE-2021-42373?
CVE-2021-42373 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.38% probability of exploitation in the next 30 days.
How do I fix CVE-2021-42373?
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-2021-42373?

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

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Source: NVD / NIST