CVE-2020-23256

CRITICALNVD 9.89.8—Elevated

9.8

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

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 71.5%
KEV: Not listed

Published

January 20, 2023

Last Modified

April 3, 2025

References (2)

cve@mitrehttps://github.com/electerm/electerm/issues/1686
af854a3a-2127-422b-91ae-364da2661108https://github.com/electerm/electerm/issues/1686

Vendor Advisories for CVE-2020-23256(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

GHSA-x73w-g8hx-v7rp
GitHub Security AdvisoriesCritical
electerm allows unauthorized users to execute arbitrary commands

Affected Packages

(1 across 1 ecosystem)

npm(1)

Package	Vulnerable range	Fixed in	Dependents
electerm	—	—	—

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 11× in last 7d / 19× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-25 08:14 UTCEG score recompute
2026-05-25 08:14 UTCGHSA enrichment
2026-05-24 16:48 UTCepss_batch

Frequently asked(5)

What is CVE-2020-23256?

CVE-2020-23256 is a critical vulnerability published on January 20, 2023. An issue was discovered in Electerm 1.3.22, allows attackers to execute arbitrary code via unverified request to electerms service.

When was CVE-2020-23256 disclosed?

CVE-2020-23256 was first published in the National Vulnerability Database on January 20, 2023, with the most recent update on April 3, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2020-23256 actively exploited?

CVE-2020-23256 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 71.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2020-23256?

CVE-2020-23256 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2020-23256?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-23256, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2020-23256

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CVE-2020-23256

Published

Last Modified

References (2)

Vendor Advisories for CVE-2020-23256(1)

Affected Packages

Weakness Classification(2)

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2020-23256?

Same product

Same CWE

CVE-2020-23256

📅 Published

🔄 Last Modified

🔗 References (2)

📣 Vendor Advisories for CVE-2020-23256(1)

Affected Packages

Weakness Classification(2)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2020-23256?

🔗 Related CVEs(same product + same CWE)

Same product

Same CWE

Published

Last Modified

References (2)

Vendor Advisories for CVE-2020-23256(1)

Frequently asked(5)

Related CVEs(same product + same CWE)