Is CVE-2021-25741 in the CISA KEV catalog?

No. CVE-2021-25741 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-25741?

CVE-2021-25741 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2021-25741?

CVE-2021-25741 has an EPSS score of 6.50% (93th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-25741?

Upgrade kubernetes on debian 11 to 1.20.5+really1.20.2-1 or later.

CVE & CISA-KEV Catalog

CVE-2021-25741

HIGHEPSS 93th pctl

8.8

CVSS v3

NVD

Description

A security issue was discovered in Kubernetes where a user may be able to create a container with subpath volume mounts to access files & directories outside of the volume, including on the host filesystem.

CWE-20Improper Input Validation CWE-552

How to fix

Remediation Available

kubernetesDebian

Fixed in:1.20.5+really1.20.2-1CVE-2021-25741

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 RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

6.50%probability of exploitation in 30 days

93rdpercentile

High risk: more likely to be exploited than 93% of all known CVEs.

References

Mitigation2

Third-Party Advisory1

security.netapp.com

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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.