CVE-2021-3859High
DEB
DEB
Debian Security Advisories (DSA)
DSAs are published by the Debian Security Team for issues affecting the stable distribution. The downstream tracker (security-tracker.debian.org) additionally maps every CVE to its package-level status across all supported suites.
Region
Intl.
Updates
1 ч
License
Public Domain
Advisories covering the Debian stable and oldstable releases. Ship notes include the exact .deb version that remediates each issue.
https://www.debian.org/security/ →Share link
Anyone with the link can open this vulnerability.
A flaw was found in Undertow that tripped the client-side invocation timeout with certain calls made over HTTP2. This flaw allows an attack…
CVSS
7.5
High
EPSS
0.00
p52
Published
2021-01-01
Updated
2021-01-01
Description
A flaw was found in Undertow that tripped the client-side invocation timeout with certain calls made over HTTP2. This flaw allows an attacker to carry out denial of service attacks.
Tags · CWE
Pre-auth
CWE-214
CWE-214BaseIncomplete
Invocation of Process Using Visible Sensitive Information
A process is invoked with sensitive command-line arguments, environment variables, or other elements that can be seen by other processes on the operating system.
https://cwe.mitre.org/data/definitions/214.html →Open in CWE collection →Affected products
Eap7-apache-cxfEap7-avroEap7-h2databaseEap7-jboss-annotations-api_1.3_specEap7-jboss-marshallingEap7-jboss-server-migrationEap7-jboss-xnio-baseEap7-log4j-jboss-logmanagerEap7-undertowEap7-undertowEap7-undertowEap7-undertowEap7-undertowEap7-wildflyEap7-wss4jEap7-xalan-j2Eap7-xml-securityRh-sso7-keycloakRh-sso7-keycloakUndertow
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Timeline
2021-01-01
Published
2021-01-01
Updated
CVSS 3.1 breakdown
Attack Vector
AV: N
Network (N)
Attack Complexity
AC: L
Low (L)
Privileges Required
PR: N
None (N)
User Interaction
UI: N
None (N)
Scope
S: U
Unchanged (U)
Confidentiality Impact
C: N
None (N)
Integrity Impact
I: N
None (N)
Availability Impact
A: H
High (H)
Exploit indicators
EPSS
0.003 · p52
Known exploited (KEV)
No
Known exploits — Сканер-ВС
No Сканер-ВС checks registered for this vulnerability yet.
Affected software
| Product | Vendor | Status |
|---|---|---|
| eap7-apache-cxf | Tracked | |
| eap7-avro | Tracked | |
| eap7-h2database | Tracked | |
| eap7-jboss-annotations-api_1.3_spec | Tracked | |
| eap7-jboss-marshalling | Tracked | |
| eap7-jboss-server-migration | Tracked | |
| eap7-jboss-xnio-base | Tracked | |
| eap7-log4j-jboss-logmanager | Tracked | |
| eap7-undertow | Tracked | |
| eap7-undertow | Tracked | |
| eap7-undertow | Tracked | |
| eap7-undertow | Tracked | |
| eap7-undertow | Tracked | |
| eap7-wildfly | Tracked | |
| eap7-wss4j | Tracked | |
| eap7-xalan-j2 | Tracked | |
| eap7-xml-security | Tracked | |
| rh-sso7-keycloak | Tracked | |
| rh-sso7-keycloak | Tracked | |
| undertow | Tracked |
Source databases
DEB
DEB
Debian Security Advisories (DSA)
DSAs are published by the Debian Security Team for issues affecting the stable distribution. The downstream tracker (security-tracker.debian.org) additionally maps every CVE to its package-level status across all supported suites.
Region
Intl.
Updates
1 ч
License
Public Domain
Advisories covering the Debian stable and oldstable releases. Ship notes include the exact .deb version that remediates each issue.
https://www.debian.org/security/ →CVE
CVE
National Vulnerability Database
NVD is the U.S. government repository of standards-based vulnerability management data, built on top of the MITRE CVE list. Every record includes CPE applicability statements, CVSS v2 and v3.x base scores, CWE mappings and cross-references to advisories.
Region
US
Updates
15 min
License
Public Domain
Comprehensive catalog of publicly disclosed vulnerabilities with CPE matches, CVSS scoring and reference URLs. De-facto standard for cross-vendor correlation.
https://nvd.nist.gov →RED
RED
Red Hat Security Advisories (RHSA)
Red Hat advisories are authoritative for RHEL-family systems: each record lists the exact package NEVRA fixed, the affected streams, and a Red Hat-assigned severity that may differ from NVD's. Many downstream projects (CentOS Stream, Rocky, Alma) follow these IDs.
Region
US
Updates
1 ч
License
CC BY-SA 4.0
Advisories for Red Hat Enterprise Linux, OpenShift, Ansible and other Red Hat products. Includes detailed backport tracking — critical for long-term-support distributions.
https://access.redhat.com/security/security-updates/ →UBU
UBU
Ubuntu Security Notices (USN)
USNs are authoritative for Ubuntu systems. The CVE Tracker links each vulnerability to its per-release status (needed, released, not-affected) and to the exact Launchpad bug where the fix is integrated.
Region
Intl.
Updates
1 ч
License
CC BY-SA 3.0
Security notices for Ubuntu LTS and interim releases, covering main, universe and (via Pro) ESM-extended packages.
https://ubuntu.com/security/notices →