Is CVE-2020-35513 in the CISA KEV catalog?

No. CVE-2020-35513 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-35513?

CVE-2020-35513 has a CVSS v3 base score of 4.9 (MEDIUM).

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

CVE-2020-35513 has an EPSS score of 1.35% (68th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-35513?

Upgrade linux on debian 11 to 4.16.5-1 or later.

CVE & CISA-KEV Catalog

CVE-2020-35513

MEDIUM

4.9

CVSS v3

NVD

Description

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.

CWE-271

How to fix

Remediation Available

linuxDebian

Fixed in:4.16.5-1CVE-2020-35513

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

1.35%probability of exploitation in 30 days

68thpercentile

Moderate risk: more likely to be exploited than 68% of all known CVEs.

References

Patch1

bugzilla.redhat.com

Other references1

patchwork.kernel.org

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.