What is CVE-2017-2922?

CVE-2017-2922 is a critical-severity vulnerability in Cesanta Mongoose, classified under Use After Free. CVSS score: 9.8/10. Published 2017-11-07.

How severe is CVE-2017-2922?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Use After Free in Cesanta Mongoose

CVE-2017-2922

An exploitable memory corruption vulnerability exists in the Websocket protocol implementation of Cesanta Mongoose 6.8. A specially crafted websocket packet can cause a buffer to be allocated while leaving stale pointers which leads to a u…

Vulnerability class: Use-After-Free

EPSS: 0.027 (86.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Cesanta Mongoose — versions 6.8

Weakness classification (CWE)

CWE-416 — Use After Free

References

talos-cna@cisco.com (Technical Description, Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2017-2922?: CVE-2017-2922 is a critical-severity vulnerability in Cesanta Mongoose, classified under Use After Free. CVSS score: 9.8/10. Published 2017-11-07.
How severe is CVE-2017-2922?: Critical severity. CVSS v3 base score is 9.8 out of 10.