CVE-2023-33657
HIGH
7.5
CVSS Score
Published: June 8, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 06:02 AM UTC
1 product affected across 1 vendorNanomq
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Severity
HIGH7.5
Exploit prediction
EPSS 1.0%
SSVC
PoC
Description
A use-after-free vulnerability exists in NanoMQ 0.17.2. The vulnerability can be triggered by calling the function nni_mqtt_msg_get_publish_property() in the file mqtt_msg.c. This vulnerability is caused by improper data tracing, and an attacker could exploit it to cause a denial of service attack.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (3)
ExploitIssue Tracking
Source: [email protected]
https://github.com/emqx/nanomq/issues/1165#issue-1668648319SSVC — Action Prioritization
SSVCPoCAutomatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
7.5HIGHCISA-ADP
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-416
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