CVE-2017-2895

moderate-risk
Published 2017-11-07

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.

Do I need to act?

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0.38% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.2/10 High
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Cesanta

References (2)

Technical Description https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0402
Technical Description https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0402
34
/ 100
moderate-risk
Severity 28/34 · Critical
Exploitability 1/34 · Minimal
Exposure 5/34 · Minimal