CISA KEV · Known exploitedCritical

CVE-2023-33246

Apache RocketMQ

For RocketMQ versions 5.1.0 and below, under certain conditions, there is a risk of remote command execution. Several components of RocketMQ, including NameServer, Broker, and Controller, are leaked on the extranet and lack permission verification, an attacker can exploit this vulnerability by using the update configuration function to execute commands as the system users that RocketMQ is running as. Additionally, an attacker can achieve the same effect by forging the RocketMQ protocol content. To prevent these attacks, users are recommended to upgrade to version 5.1.1 or above for using Ro...

CVSS: 9.8
EPSS: 96.6%
CISA KEV: Listed
Published: 2023.05.25

PRIORITY ASSESSMENT

Immediate review

CISA has listed this vulnerability in the Known Exploited Vulnerabilities catalog.

Known exploitationConfirmed by CISA KEV

Exploit probability96.6%

Technical severityCVSS 9.8

Vulnerability overview

Affected product and versions

Product: Apache RocketMQ
Affected versions: < 4.9.6, >= 5.0.0 < 5.1.1
Fixed versions: 4.9.6, 5.1.1

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

CISA required action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Due date: 2023.09.27

1
Identify
Confirm that Apache RocketMQ and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE: CWE-94
KEV added: 2023.09.06
Ransomware use: 미확인