CVE•Published 2023-03-01•Modified 2026-05-18•1 article on news•5 live references•NVD data
CVE-2021-3855Liman · Port_mys
Vulnerability data via NVD (ingested)
CVSS v3.1
8.8
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
81
Exploit Prediction Scoring System · top 19% of all CVEs
Weaknesses (CWE)
Description
Improper Neutralization of Special Elements used in a Command ('Command Injection') vulnerability in Liman Central Management System Liman MYS (HTTP/Controllers, CronMail, Jobs modules) allows Command Injection. This issue affects Liman Central Management System: from 1.7.0 before 1.8.3-462.
Timeline
Published 2023-03-01
Modified 2026-05-18
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2021-3855Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Liman Port Mys"All exposed Liman Port Mys instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Port Mys"HTTP body or banner mentions "Port Mys" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2021-3855Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2021-3855Censys host search filtered to this CVE id.
grep.app
CVE-2021-3855Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2021-3855GitHub code search for direct mentions.
Google dork
"CVE-2021-3855" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.