Resource exhaustion in Emqx Nanomq
CVE-2023-33656
A memory leak vulnerability exists in NanoMQ 0.17.2. The vulnerability is located in the file message.c. An attacker could exploit this vulnerability to cause a denial of service attack by causing the program to consume all available memory resources.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.004 (29.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 29.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Emqx Nanomq — versions 0.17.2
Weakness classification (CWE)
References
- github.com/emqx/nanomq (Product)
- github.com/emqx/nanomq/issues/1164 (Exploit, Mailing List)
- github.com/emqx/nanomq/issues/1165 (Exploit, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-33656?
- CVE-2023-33656 is a medium-severity vulnerability in Emqx Nanomq, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 5.5/10. Published 2023-05-30.
- How severe is CVE-2023-33656?
- Medium severity. CVSS v3 base score is 5.5 out of 10.