VulnerableCode Package Details - pkg:maven/io.undertow/undertow-core@2.0.33

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Package details: pkg:maven/io.undertow/undertow-core@2.0.33

Essentials
History (3)

purl	pkg:maven/io.undertow/undertow-core@2.0.33
Tags	Ghost

Next non-vulnerable version	2.3.20.Final
Latest non-vulnerable version	2.4.0.Beta1
Risk	4.0

Vulnerabilities affecting this package (1)

Vulnerability	Summary	Fixed by
VCID-beaj-uk9m-17be Aliases: CVE-2020-27782 GHSA-rhcw-wjcm-9h6g	Denial of service in Undertow A flaw was found in the Undertow AJP connector. Malicious requests and abrupt connection closes could be triggered by an attacker using query strings with non-RFC compliant characters resulting in a denial of service. The highest threat from this vulnerability is to system availability. This affects Undertow 2.1.5.SP1, 2.0.33.SP2, and 2.2.3.SP1.	2.0.34.Final Affected by 19 other vulnerabilities. This version is affected by these other vulnerabilities: {{ fixed_by_vuln.vulnerability_id }} {{ fixed_by_vuln.vulnerability_id }} {{ fixed_by_vuln.vulnerability_id }} {{ fixed_by_vuln.vulnerability_id }} {{ fixed_by_vuln.vulnerability_id }} {{ fixed_by_vuln.vulnerability_id }} {{ fixed_by_vuln.vulnerability_id }} {{ fixed_by_vuln.vulnerability_id }} {{ fixed_by_vuln.vulnerability_id }} {{ fixed_by_vuln.vulnerability_id }} {{ fixed_by_vuln.vulnerability_id }} {{ fixed_by_vuln.vulnerability_id }} {{ fixed_by_vuln.vulnerability_id }} {{ fixed_by_vuln.vulnerability_id }} {{ fixed_by_vuln.vulnerability_id }} {{ fixed_by_vuln.vulnerability_id }} {{ fixed_by_vuln.vulnerability_id }} {{ fixed_by_vuln.vulnerability_id }} {{ fixed_by_vuln.vulnerability_id }} 2.1.5 Affected by 1 other vulnerability. This version is affected by these other vulnerabilities: {{ fixed_by_vuln.vulnerability_id }} 2.1.6.Final Affected by 16 other vulnerabilities. This version is affected by these other vulnerabilities: {{ fixed_by_vuln.vulnerability_id }} {{ fixed_by_vuln.vulnerability_id }} {{ fixed_by_vuln.vulnerability_id }} {{ fixed_by_vuln.vulnerability_id }} {{ fixed_by_vuln.vulnerability_id }} {{ fixed_by_vuln.vulnerability_id }} {{ fixed_by_vuln.vulnerability_id }} {{ fixed_by_vuln.vulnerability_id }} {{ fixed_by_vuln.vulnerability_id }} {{ fixed_by_vuln.vulnerability_id }} {{ fixed_by_vuln.vulnerability_id }} {{ fixed_by_vuln.vulnerability_id }} {{ fixed_by_vuln.vulnerability_id }} {{ fixed_by_vuln.vulnerability_id }} {{ fixed_by_vuln.vulnerability_id }} {{ fixed_by_vuln.vulnerability_id }} 2.2.4.Final Affected by 15 other vulnerabilities. This version is affected by these other vulnerabilities: {{ fixed_by_vuln.vulnerability_id }} {{ fixed_by_vuln.vulnerability_id }} {{ fixed_by_vuln.vulnerability_id }} {{ fixed_by_vuln.vulnerability_id }} {{ fixed_by_vuln.vulnerability_id }} {{ fixed_by_vuln.vulnerability_id }} {{ fixed_by_vuln.vulnerability_id }} {{ fixed_by_vuln.vulnerability_id }} {{ fixed_by_vuln.vulnerability_id }} {{ fixed_by_vuln.vulnerability_id }} {{ fixed_by_vuln.vulnerability_id }} {{ fixed_by_vuln.vulnerability_id }} {{ fixed_by_vuln.vulnerability_id }} {{ fixed_by_vuln.vulnerability_id }} {{ fixed_by_vuln.vulnerability_id }}

Vulnerability

Summary

Fixed by

VCID-beaj-uk9m-17be
Aliases:
CVE-2020-27782
GHSA-rhcw-wjcm-9h6g

Denial of service in Undertow A flaw was found in the Undertow AJP connector. Malicious requests and abrupt connection closes could be triggered by an attacker using query strings with non-RFC compliant characters resulting in a denial of service. The highest threat from this vulnerability is to system availability. This affects Undertow 2.1.5.SP1, 2.0.33.SP2, and 2.2.3.SP1.

2.0.34.Final
Affected by 19 other vulnerabilities.

2.1.5
Affected by 1 other vulnerability.

2.1.6.Final
Affected by 16 other vulnerabilities.

2.2.4.Final
Affected by 15 other vulnerabilities.

Vulnerabilities fixed by this package (0)

Vulnerability	Summary	Aliases
This package is not known to fix vulnerabilities.

Date	Actor	Action	Vulnerability	Source	VulnerableCode Version
2026-04-02T12:37:58.639700+00:00	GitLab Importer	Affected by	VCID-beaj-uk9m-17be	https://gitlab.com/gitlab-org/advisories-community/-/blob/main/maven/io.undertow/undertow-core/CVE-2020-27782.yml	38.0.0
2026-04-01T15:59:29.982889+00:00	GHSA Importer	Fixing	VCID-beaj-uk9m-17be	https://github.com/advisories/GHSA-rhcw-wjcm-9h6g	38.0.0
2026-04-01T13:06:05.108577+00:00	GithubOSV Importer	Fixing	VCID-beaj-uk9m-17be	https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/02/GHSA-rhcw-wjcm-9h6g/GHSA-rhcw-wjcm-9h6g.json	38.0.0