Is CVE-2020-8159 in the CISA KEV catalog?

No. CVE-2020-8159 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-8159?

CVE-2020-8159 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2020-8159?

CVE-2020-8159 has an EPSS score of 5.25% (92th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-8159?

Upgrade ruby-actionpack-page-caching on debian 11 to 1.2.2-1 or later.

CVE & CISA-KEV Catalog

CVE-2020-8159

CRITICALEPSS 92th pctl

9.8

CVSS v3

NVD

Description

There is a vulnerability in actionpack_page-caching gem < v1.2.1 that allows an attacker to write arbitrary files to a web server, potentially resulting in remote code execution if the attacker can write unescaped ERB to a view.

CWE-22Path Traversal

How to fix

Remediation Available

ruby-actionpack-page-cachingDebian

Fixed in:1.2.2-1CVE-2020-8159

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

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

5.25%probability of exploitation in 30 days

92ndpercentile

High risk: more likely to be exploited than 92% of all known CVEs.

References

Third-Party Advisory1

lists.debian.org

Other references1

groups.google.com

Related Vulnerabilities

Other CWE-22 (Path Traversal) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-23897	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2023-32315	High	8.6	100%	KEV	Fix
CVE-2022-29464	Critical	9.8	100%	KEV + Ransom	-
CVE-2021-26086	Medium	5.3	100%	KEV	Fix
CVE-2021-22005	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2020-5902	Critical	9.8	100%	KEV + Ransom	Fix

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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.