What is CVE-2017-7457?

CVE-2017-7457 is a medium-severity vulnerability in Moxa Mx-Aopc Server, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 5.0/10. Published 2017-04-14.

How severe is CVE-2017-7457?

Medium severity. CVSS v3 base score is 5.0 out of 10.

XXE in Moxa Mx-Aopc Server

CVE-2017-7457

XML External Entity via ".AOP" files used by Moxa MX-AOPC Server 1.5 result in remote file disclosure.

Vulnerability class: XXE (XML External Entity)

Published 2017-04-14 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.018 (77.6th percentile), scored 2026-10-04.

Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 77.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000

Affected products

Moxa Mx-Aopc Server — versions 1.5

Weakness classification (CWE)

CWE-611 — Improper Restriction of XML External Entity Reference (XXE)

References

hyp3rlinx.altervista.org/advisories/MOXA-MX-AOPC-SERVER-v1.5-XML-EXTERNAL-ENTIT… (Exploit, Third Party Advisory)
seclists.org/fulldisclosure/2017/Apr/51 (mailing-list, VDB Entry, Third Party Advisory)
www.exploit-db.com/exploits/41852/ (exploit)

Frequently asked questions

What is CVE-2017-7457?: CVE-2017-7457 is a medium-severity vulnerability in Moxa Mx-Aopc Server, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 5.0/10. Published 2017-04-14.
How severe is CVE-2017-7457?: Medium severity. CVSS v3 base score is 5.0 out of 10.