Is CVE-2020-27832 in the CISA KEV catalog?

No. CVE-2020-27832 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-27832?

CVE-2020-27832 has a CVSS v3 base score of 9.0 (CRITICAL).

What is the EPSS score for CVE-2020-27832?

CVE-2020-27832 has an EPSS score of 0.91% (56th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-27832?

Upgrade quay to 3.3.2 or later.

CVE & CISA-KEV Catalog

CVE-2020-27832

CRITICAL

9.0

CVSS v3

NVD

Description

A flaw was found in Red Hat Quay, where it has a persistent Cross-site Scripting (XSS) vulnerability when displaying a repository's notification. This flaw allows an attacker to trick a user into performing a malicious action to impersonate the target user. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available

quayNVD

Affected:>= 3.0.0, < 3.3.2Fixed in:3.3.2CVE-2020-27832derived from NVD

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 InteractionRequired

ScopeChanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.91%probability of exploitation in 30 days

56thpercentile

Moderate risk: more likely to be exploited than 56% of all known CVEs.

References

Vendor Advisory1

bugzilla.redhat.com

Related Vulnerabilities

Other CWE-79 (Cross-Site Scripting (XSS)) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-11022	Medium	6.9	99%	-	Fix
CVE-2019-3929	Critical	9.8	99%	KEV	Fix
CVE-2020-9496	Medium	6.1	99%	-	-
CVE-2023-28341	Medium	6.1	99%	-	Fix
CVE-2018-12998	Medium	6.1	98%	-	-
CVE-2025-4123	High	7.6	98%	-	Fix

Embed a live status badge for CVE-2020-27832

Markdown

[![CVE-2020-27832](https://tridentstack.com/cve/badge/CVE-2020-27832.svg)](https://tridentstack.com/cve/CVE-2020-27832)

HTML

<a href="https://tridentstack.com/cve/CVE-2020-27832"><img src="https://tridentstack.com/cve/badge/CVE-2020-27832.svg" alt="CVE-2020-27832"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

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.