What is CVE-2020-35513?

CVE-2020-35513 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.9 out of 10. CVE-2020-35513 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2020-35513?

CVE-2020-35513 has a CVSS score of 4.9 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2020-35513?

No patch is currently available for CVE-2020-35513. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2020-35513 actively exploited?

CVE-2020-35513 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2020-35513

Medium

A flaw incorrect umask during file or directory modification in the Linux kernel NFS (network file system) functionality was found in the way user create and delete object using NFSv4.2 or newer if both simultaneously accessing the NFS by the other process that is not using new NFSv4.2. A user with access to the NFS could use this flaw to starve the resources causing denial of service.

Package Linux Kernel

Published 2021-01-26

Last modified 2024-11-21

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

4.9

out of 10

Medium

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Vector string

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

Weakness type

CWE-271

CVE-2020-35513 is classified as CWE-271

See CWE-271 on MITRE CWE for full details on this weakness type.

References

The following references provide additional information about CVE-2020-35513 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Kernel.org
https://patchwork.kernel.org/project/linux-nfs/patch/20180403203916.GH20297%40fieldses.org/
Kernel patch commit
https://bugzilla.redhat.com/show_bug.cgi?id=1911309
Patch

Details

CVE ID CVE-2020-35513

Severity Medium

CVSS score 4.9 / 10

CVSS version 3.1

Published 2021-01-26

Modified 2024-11-21

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2020-35513?

CVE-2020-35513 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.9 out of 10 . CVE-2020-35513 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2020-35513?

CVE-2020-35513 has a CVSS score of 4.9 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2020-35513?

No patch is currently available for CVE-2020-35513. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2020-35513 actively exploited?

No — CVE-2020-35513 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.