What is CVE-2020-23256?

CVE-2020-23256 is a critical-severity vulnerability in Electerm Project, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2023-01-20.

How severe is CVE-2020-23256?

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

Auth bypass in Electerm Project

CVE-2020-23256

An issue was discovered in Electerm 1.3.22, allows attackers to execute arbitrary code via unverified request to electerms service.

Vulnerability class: Broken Authentication

Published 2023-01-20 · 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: 0.009 (56.8th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 56.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Electerm Project — versions 1.3.22

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

github.com/electerm/electerm/issues/1686 (Exploit, Patch, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2020-23256?: CVE-2020-23256 is a critical-severity vulnerability in Electerm Project, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2023-01-20.
How severe is CVE-2020-23256?: Critical severity. CVSS v3 base score is 9.8 out of 10.