What is CVE-2020-23620?

CVE-2020-23620 is a critical-severity vulnerability in Orlansoft Erp, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2022-05-02.

How severe is CVE-2020-23620?

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

Deserialization in Orlansoft Erp

CVE-2020-23620

The Java Remote Management Interface of all versions of Orlansoft ERP was discovered to contain a vulnerability due to insecure deserialization of user-supplied content, which can allow attackers to execute arbitrary code via a crafted serialized Java object.

Vulnerability class: Insecure Deserialization

Published 2022-05-02 · 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: 0.021 (81.3th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 81.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: +0.001

Affected products

Orlansoft Erp

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

orlansoft.com/ (Vendor Advisory)
github.com/joaomatosf/jexboss (Third Party Advisory)
gist.github.com/fuzzKitty/95106430aa09760ebdcfa6304777f31f (Third Party Advisory)

Frequently asked questions

What is CVE-2020-23620?: CVE-2020-23620 is a critical-severity vulnerability in Orlansoft Erp, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2022-05-02.
How severe is CVE-2020-23620?: Critical severity. CVSS v3 base score is 9.8 out of 10.