CVE-2020-8570

Q: How do I fix CVE-2020-8570?

Upgrade java to 10.0.1 or later.

Q: Is CVE-2020-8570 being actively exploited?

Not that we know of. CVE-2020-8570 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 3.6% is the estimated probability that it will be exploited in the next 30 days. That is higher than 89% of all scored CVEs.

Q: How severe is CVE-2020-8570?

CVE-2020-8570 has a CVSS v3 base score of 9.1, rated critical. 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-2020-8570 affect?

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

CRITICALEPSS 89th pctl

9.1

CVSS v3

NVD

Description

Kubernetes Java client libraries in version 10.0.0 and versions prior to 9.0.1 allow writes to paths outside of the current directory when copying multiple files from a remote pod which sends a maliciously crafted archive. This can potentially overwrite any files on the system of the process executing the client code.

CWE-23 CWE-22Path Traversal

How to fix

Remediation Available

javaNVD

Affected:>= 10.0.0, < 10.0.1Fixed in:10.0.1CVE-2020-8570derived 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 ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

3.64%probability of exploitation in 30 days

89thpercentile

Elevated risk: more likely to be exploited than 89% of all known CVEs.

References

Patch1

github.com

Third-Party Advisory1

groups.google.com

Other references4

Related Vulnerabilities

Other CWE-23 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-27199	High	7.3	100%	KEV + Ransom	Fix
CVE-2020-5410	High	7.5	96%	KEV	Fix
CVE-2021-40870	Critical	9.8	93%	KEV	Fix
CVE-2025-64446	Critical	9.8	92%	KEV	Fix
CVE-2020-5405	Medium	6.5	69%	-	Fix
CVE-2025-55752	High	7.5	67%	-	Fix

Common questions

How do I fix CVE-2020-8570?

Upgrade java to 10.0.1 or later.

Is CVE-2020-8570 being actively exploited?

Not that we know of. CVE-2020-8570 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 3.6% is the estimated probability that it will be exploited in the next 30 days. That is higher than 89% of all scored CVEs.

How severe is CVE-2020-8570?

CVE-2020-8570 has a CVSS v3 base score of 9.1, rated critical. 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-2020-8570 affect?

Published advisories record a fix for java (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.