What is CVE-2017-2840?

CVE-2017-2840 is a high-severity vulnerability in Ezb Systems Ultraiso, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2018-04-24.

How severe is CVE-2017-2840?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in Ezb Systems Ultraiso

CVE-2017-2840

A buffer overflow vulnerability exists in the ISO parsing functionality of EZB Systems UltraISO 9.6.6.3300. A specially crafted .ISO file can cause a vulnerability resulting in potential code execution. An attacker can provide a specific .ISO file to trigger this vulnerability.

Vulnerability class: Buffer Overflow

Published 2018-04-24 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.017 (76.4th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 76.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: -0.000

Affected products

Ezb Systems Ultraiso — versions 9.6.6.3300
Ezbsystems Ultraiso — versions 9.6.6.3300

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

www.securityfocus.com/bid/100084 (vdb-entry, Broken Link)
www.talosintelligence.com/vulnerability_reports/TALOS-2017-0342 (Technical Description, Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2017-2840?: CVE-2017-2840 is a high-severity vulnerability in Ezb Systems Ultraiso, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2018-04-24.
How severe is CVE-2017-2840?: High severity. CVSS v3 base score is 7.8 out of 10.