CVE-2019-11251

Q: How do I fix CVE-2019-11251?

Upgrade kubernetes to 1.15.4 or later.

Q: Is CVE-2019-11251 being actively exploited?

Not that we know of. CVE-2019-11251 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 2.6% is the estimated probability that it will be exploited in the next 30 days. That is higher than 84% of all scored CVEs.

Q: How severe is CVE-2019-11251?

CVE-2019-11251 has a CVSS v3 base score of 4.8, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

Q: What does CVE-2019-11251 affect?

Published advisories record a fix for kubernetes (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

MEDIUMEPSS 84th pctl

4.8

CVSS v3

NVD

Description

The Kubernetes kubectl cp command in versions 1.1-1.12, and versions prior to 1.13.11, 1.14.7, and 1.15.4 allows a combination of two symlinks provided by tar output of a malicious container to place a file outside of the destination directory specified in the kubectl cp invocation. This could be used to allow an attacker to place a nefarious file using a symlink, outside of the destination tree.

CWE-61 CWE-59Link Following

How to fix

Remediation Available

kubernetesNVD

Affected:>= 1.15.0, < 1.15.4Fixed in:1.15.4CVE-2019-11251derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

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 ComplexityHigh

Privileges RequiredLow

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

2.62%probability of exploitation in 30 days

84thpercentile

Elevated risk: more likely to be exploited than 84% of all known CVEs.

References

Third-Party Advisory2

Related Vulnerabilities

Other CWE-61 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-28189	Critical	10.0	7.2%	-	-
CVE-2024-28185	Critical	10.0	7.1%	-	-
CVE-2019-11249	Medium	6.5	3.7%	-	Fix
CVE-2019-11246	Medium	6.5	3.6%	-	Fix
CVE-2019-16775	High	7.7	3.3%	-	Fix
CVE-2023-37460	High	8.1	2.5%	-	Fix

Common questions

How do I fix CVE-2019-11251?

Upgrade kubernetes to 1.15.4 or later.

Is CVE-2019-11251 being actively exploited?

Not that we know of. CVE-2019-11251 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 2.6% is the estimated probability that it will be exploited in the next 30 days. That is higher than 84% of all scored CVEs.

How severe is CVE-2019-11251?

CVE-2019-11251 has a CVSS v3 base score of 4.8, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2019-11251 affect?

Published advisories record a fix for kubernetes (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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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.