CVE-2024-31040 json
Buffer Overflow vulnerability in the get_var_integer function in mqtt_parser.c in NanoMQ 0.21.7 allows remote attackers to cause a denial o…
published 2024-04-17 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-28957
- cvss
- 2.7
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 47%
- public exploits
- 0
- none known
Summary
Buffer Overflow vulnerability in the get_var_integer function in mqtt_parser.c in NanoMQ 0.21.7 allows remote attackers to cause a denial of service via a series of specially crafted hexstreams.
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
0.58% chance of exploitation in the next 30 days, higher than 47% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/nanomq/nanomq/issues/1720 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 2.7 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L |
| CNA | 3.1 | 2.7 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L |
Affected products
- emqx nanomq
Classification
- Weakness
-
- CWE-120 Buffer Copy without Checking Size of Input
References
-
github.com
/nanomq/nanomq/issues/1720
exploit, issue-tracking
Sources
- CVE List CVE-2024-31040
- NVD CVE-2024-31040
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