What is CVE-2020-25258?

CVE-2020-25258 is a critical-severity vulnerability in Hyland Onbase, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2020-09-11.

How severe is CVE-2020-25258?

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

Is CVE-2020-25258 known to be exploited?

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

Deserialization in Hyland Onbase

CVE-2020-25258

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 uses ASP.NET BinaryFormatter.Deserialize in a manner that allows attackers to transmit and execute bytecode in SOAP messages.

Vulnerability class: Insecure Deserialization

EPSS: 0.015 (72.0th 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-502 — Deserialization of Untrusted Data

Public proof-of-concept exploits

References

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

Frequently asked questions

What is CVE-2020-25258?: CVE-2020-25258 is a critical-severity vulnerability in Hyland Onbase, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2020-09-11.
How severe is CVE-2020-25258?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2020-25258 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.