electerm allows unauthorized users to execute arbitrary commands

published 2023-01-20 3 y ago modified 2026-06-17 4 mo ago also GHSA-x73w-g8hx-v7rp , EUVD-2023-0585

cvss: 9.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.9%; EPSS 0.9% chance of exploitation in 30 days, percentile 59%
public exploits: 0; none known

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

Patch / fix

links 1

github.com/electerm/electerm/issues/1686 advisory

CISA SSVC

Exploitation: Proof of concept is public
Automatable: yes
Technical impact: total
Assessed: 19 mo ago (2025-04-03)

Exploit prediction

0.89% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/electerm/electerm/issues/1686 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
GitHub	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem	package	affected	fixed in
npm	electerm	<=1.3.22	no fix listed

Classification

Weakness

CWE-306 Missing Authentication for Critical Functionality
CWE-78 Improper Neutralization of Special Elements used in an OS Command

References

github.com /electerm/electerm/issues/1686
web, exploit, issue-tracking, patch, third-party-advisory
nvd.nist.gov /vuln/detail/CVE-2020-23256
advisory
github.com /electerm/electerm
package

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary