What is CVE-2020-24052?

CVE-2020-24052 is a critical-severity vulnerability in Moog Exvf5c-2, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 9.1/10. Published 2020-08-21.

How severe is CVE-2020-24052?

Critical severity. CVSS v3 base score is 9.1 out of 10.

XXE in Moog Exvf5c-2

CVE-2020-24052

Several XML External Entity (XXE) vulnerabilities in the Moog EXO Series EXVF5C-2 and EXVP7C2-3 units allow remote unauthenticated users to read arbitrary files via a crafted Document Type Definition (DTD) in an XML request.

Vulnerability class: XXE (XML External Entity)

Published 2020-08-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.

EPSS exploit prediction

EPSS: 0.019 (79.2th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 79.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: 0.000

Affected products

Weakness classification (CWE)

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

References

ioactive.com/moog-exo-series-multiple-vulnerabilities/ (Third Party Advisory)
ioac.tv/3hy1xu6 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2020-24052?: CVE-2020-24052 is a critical-severity vulnerability in Moog Exvf5c-2, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 9.1/10. Published 2020-08-21.
How severe is CVE-2020-24052?: Critical severity. CVSS v3 base score is 9.1 out of 10.