How severe is CVE-2023-33246?

CVE-2023-33246 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-33246 being actively exploited?

Yes. CVE-2023-33246 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2023-09-06, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2023-33246?

CVE-2023-33246 affects Apache Rocketmq. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-33246?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2023-33246 have an EU (EUVD) identifier?

Yes. CVE-2023-33246 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-2175. It is also flagged as exploited in the EUVD (since 2023-09-06).

When was CVE-2023-33246 published?

CVE-2023-33246 was published on 2023-05-24 and last updated on 2026-06-17.

CVE-2023-33246

CVE-2023-33246 is a critical-severity vulnerability in Apache Rocketmq with a CVSS 3.x base score of 9.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2023-09-06). The underlying weakness is classified as CWE-94.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 97% (100th percentile)
Actively exploited: Yes — listed in CISA KEV (added 2023-09-06)
EU (EUVD) id: EUVD-2023-2175
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2023-09-06)
Weakness: CWE-94
Affected product: Apache Rocketmq
Published: 2023-05-24
Last modified: 2026-06-17

Description

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 RocketMQ 5.x or 4.9.6 or above for using RocketMQ 4.x .

Frequently asked questions

What is CVE-2023-33246?: 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 RocketMQ 5.x or 4.9.6 or above for using RocketMQ 4.x .
How severe is CVE-2023-33246?: CVE-2023-33246 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-33246 being actively exploited?: Yes. CVE-2023-33246 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2023-09-06, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2023-33246?: CVE-2023-33246 affects Apache Rocketmq. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-33246?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2023-33246 have an EU (EUVD) identifier?: Yes. CVE-2023-33246 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-2175. It is also flagged as exploited in the EUVD (since 2023-09-06).
When was CVE-2023-33246 published?: CVE-2023-33246 was published on 2023-05-24 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:apache:rocketmq:*:*:*:*:*:*:*:*

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