What is CVE-2018-7631?

CVE-2018-7631 is a critical-severity vulnerability in Adbglobal Epicentro, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2018-10-09.

How severe is CVE-2018-7631?

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

Buffer overflow in Adbglobal Epicentro

CVE-2018-7631

Buffer Overflow in httpd in EpiCentro E_7.3.2+ allows attackers to execute code remotely via a specially crafted GET request without a leading "/" and without authentication.

Vulnerability class: Buffer Overflow

Published 2018-10-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.024 (83.1th percentile), scored 2026-10-03.

Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 83.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: 0.000

Affected products

Adbglobal Epicentro — versions 7.3.2

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

fschallock.wordpress.com/2018/10/07/cve-2018-7631-rce-in-adb-epicentro-7-3-2-ht… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-7631?: CVE-2018-7631 is a critical-severity vulnerability in Adbglobal Epicentro, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2018-10-09.
How severe is CVE-2018-7631?: Critical severity. CVSS v3 base score is 9.8 out of 10.