What is CVE-2020-25257?

CVE-2020-25257 is a critical-severity vulnerability in Hyland Onbase, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 9.8/10. Published 2020-09-11.

How severe is CVE-2020-25257?

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

Is CVE-2020-25257 known to be exploited?

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

XXE in Hyland Onbase

CVE-2020-25257

An issue was discovered in Hyland OnBase 16.0.2.83 and below, 17.0.2.109 and below, 18.0.0.37 and below, 19.8.16.1000 and below and 20.3.10.1000 and below. It allows XXE attacks for read/write access to arbitrary files.

Vulnerability class: XXE (XML External Entity)

EPSS: 0.012 (65.4th percentile) — read the EPSS interpretation.

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.

Affected products

Hyland Onbase
N/a — versions n/a

Weakness classification (CWE)

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

Public proof-of-concept exploits

404notf0und/CVE-Flow

References

cve@mitre.org (Mailing List, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-25257?: CVE-2020-25257 is a critical-severity vulnerability in Hyland Onbase, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 9.8/10. Published 2020-09-11.
How severe is CVE-2020-25257?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2020-25257 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.