CVE-2020-8184

Q: How do I fix CVE-2020-8184?

Published advisories record a fix for 2 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Q: Is CVE-2020-8184 being actively exploited?

Not that we know of. CVE-2020-8184 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 2.9% is the estimated probability that it will be exploited in the next 30 days. That is higher than 86% of all scored CVEs.

Q: How severe is CVE-2020-8184?

CVE-2020-8184 has a CVSS v3 base score of 7.5, rated high. 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-2020-8184 affect?

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

HIGHEPSS 86th pctl

7.5

CVSS v3

NVD

Description

A reliance on cookies without validation/integrity check security vulnerability exists in rack < 2.2.3, rack < 2.1.4 that makes it is possible for an attacker to forge a secure or host-only cookie prefix.

CWE-784 CWE-20Improper Input Validation

How to fix

Remediation Available

ruby-rackDebian

Fixed in:2.1.1-6CVE-2020-8184

ruby-rackUbuntu

Fixed in:1.5.2-3+deb8u3ubuntu1~esm4USN-5253-1

Fixed in:1.6.4-3ubuntu0.2USN-4561-2

Fixed in:1.6.4-3ubuntu0.2+esm2USN-5253-1

Fixed in:1.6.4-4ubuntu0.2USN-4561-1

Fixed in:1.6.4-4ubuntu0.2+esm1USN-5253-1

Fixed in:2.0.7-2ubuntu0.1+esm1USN-5253-1

Fixed in:2.0.7-2ubuntu0.1USN-4561-2

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

AvailabilityNone

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

Exploit Intelligence

2.94%probability of exploitation in 30 days

86thpercentile

Elevated risk: more likely to be exploited than 86% of all known CVEs.

References

Patch2

Third-Party Advisory3

Related Vulnerabilities

Other CWE-784 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-3050	Critical	9.8	1.3%	-	Fix
CVE-2024-9820	Medium	6.5	0.4%	-	Fix
CVE-2022-3083	Low	3.9	0.4%	-	-
CVE-2026-60134	High	8.8	0.3%	-	-
CVE-2026-45055	High	8.1	0.1%	-	-

Common questions

How do I fix CVE-2020-8184?

Published advisories record a fix for 2 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2020-8184 being actively exploited?

Not that we know of. CVE-2020-8184 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 2.9% is the estimated probability that it will be exploited in the next 30 days. That is higher than 86% of all scored CVEs.

How severe is CVE-2020-8184?

CVE-2020-8184 has a CVSS v3 base score of 7.5, rated high. 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-2020-8184 affect?

Published advisories record a fix for ruby-rack (Debian), ruby-rack (Ubuntu). 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.