What is CVE-2020-25020?

CVE-2020-25020 is a critical-severity vulnerability in Mpxj, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 9.8/10. Published 2020-08-29.

How severe is CVE-2020-25020?

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

Is CVE-2020-25020 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XXE in Mpxj

CVE-2020-25020

MPXJ through 8.1.3 allows XXE attacks. This affects the GanttProjectReader and PhoenixReader components.

Vulnerability class: XXE (XML External Entity)

Published 2020-08-29 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.026 (85.1th percentile), scored 2026-10-20.

Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 85.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.026 · newest: 0.026 · change: 0.000

Affected products

Mpxj
Oracle Primavera Unifier — versions 16.1, 16.2, 18.8

Weakness classification (CWE)

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

Public proof-of-concept exploits

Live-Hack-CVE/CVE-2020-25020

References

github.com/joniles/mpxj/pull/178/commits/c3e457f7a16facfe563eade82b0fa8736a8c96… (Patch, Third Party Advisory)
www.oracle.com/security-alerts/cpujan2021.html (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2020-25020?: CVE-2020-25020 is a critical-severity vulnerability in Mpxj, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 9.8/10. Published 2020-08-29.
How severe is CVE-2020-25020?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2020-25020 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.