Vulnerability Name:

CVE-2021-4040 (CCN-234438)

Assigned:2021-12-02
Published:2022-06-16
Updated:2022-08-29
Summary:A flaw was found in AMQ Broker. This issue can cause a partial interruption to the availability of AMQ Broker via an Out of memory (OOM) condition. This flaw allows an attacker to partially disrupt availability to the broker through a sustained attack of maliciously crafted messages. The highest threat from this vulnerability is system availability.
CVSS v3 Severity:5.3 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
4.6 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Low
5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
4.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Low
CVSS v2 Severity:5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-787
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2021-4040

Source: MISC
Type: Vendor Advisory
https://access.redhat.com/security/cve/CVE-2021-4040

Source: CCN
Type: Red Hat Bugzilla - Bug 2028254
(CVE-2021-4040) - CVE-2021-4040 AMQ Broker: Malformed message can result in partial DoS (OOM)

Source: MISC
Type: Issue Tracking, Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2028254

Source: XF
Type: UNKNOWN
redhat-cve20214040-dos(234438)

Source: MISC
Type: Patch, Third Party Advisory
https://github.com/apache/activemq-artemis/pull/3871/commits

Source: MISC
Type: Patch, Third Party Advisory
https://issues.apache.org/jira/browse/ARTEMIS-3593

Source: CCN
Type: Red Hat Web site
Red Hat AMQ Broker

Vulnerable Configuration:Configuration 1:
  • cpe:/a:redhat:amq_broker:*:*:*:*:*:*:*:* (Version < 7.10.0)

    • Configuration 2:
  • cpe:/a:apache:activemq_artemis:*:*:*:*:*:*:*:* (Version < 2.19.1)

    • * Denotes that component is vulnerable
    BACK
    redhat amq broker *
    apache activemq artemis *