Out-of-bounds Read in Cesanta Mongoose

CVE-2017-2895

An exploitable arbitrary memory read vulnerability exists in the MQTT packet parsing functionality of Cesanta Mongoose 6.8. A specially crafted MQTT SUBSCRIBE packet can cause an arbitrary out-of-bounds memory read potentially resulting in information disclosure and denial of service. An attacker needs to send a specially crafted MQTT packet over the network to trigger this vulnerability.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H.

EPSS exploit prediction

EPSS: 0.013 (69.7th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 69.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2017-2895: held from 0.013 to 0.013.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-2895?
CVE-2017-2895 is a high-severity vulnerability in Cesanta Mongoose, classified under Out-of-bounds Read. CVSS score: 8.2/10. Published 2017-11-07.
How severe is CVE-2017-2895?
High severity. CVSS v3 base score is 8.2 out of 10.