7.5high
CVE-2017-2893in critical feed
An exploitable NULL pointer dereference vulnerability exists in the MQTT packet parsing functionality of Cesanta Mongoose 6.8.
Published 8 y ago · modified 4 mo ago · JSON
CVSS
7.5
v3.0 · CNA
CISA KEV
No
not known exploited
EPSS
24.9%
percentile 98%
Public exploits
0
none known
Summary
An exploitable NULL pointer dereference vulnerability exists in the MQTT packet parsing functionality of Cesanta Mongoose 6.8. An MQTT SUBSCRIBE packet can cause a NULL pointer dereference leading to server crash and denial of service. An attacker needs to send a specially crafted MQTT packet over the network to trigger this vulnerability.
Exploit prediction (EPSS)
24.94% probability of exploitation in the next 30 days, higher than 98% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| CNA | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| CNA | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
Affected products
- Cesanta Mongoose
Classification
- Weakness
- CWE-476 NULL Pointer Dereference
References
- talosintelligence.com /vulnerability_reports/TALOS-2017-0400 · x_refsource_MISC, x_transferred
Sources
- CVE List: CVE-2017-2893
- NVD: CVE-2017-2893
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