NULL pointer dereference in Cesanta Mongoose
CVE-2017-2893
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.249 (97.9th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 97.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.249 · newest: 0.249 · change: 0.000
Affected products
- Cesanta Mongoose — versions 6.8
Weakness classification (CWE)
References
- www.talosintelligence.com/vulnerability_reports/TALOS-2017-0400 (Technical Description, Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-2893?
- CVE-2017-2893 is a high-severity vulnerability in Cesanta Mongoose, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2017-11-07.
- How severe is CVE-2017-2893?
- High severity. CVSS v3 base score is 7.5 out of 10.