CVE•Published 2021-09-17•Modified 2026-06-22•1 article on news•6 live references•NVD data
CVE-2021-41326Misp-project · Misp
Vulnerability data via NVD (ingested)
CVSS v3.1
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
78
Exploit Prediction Scoring System · top 22% of all CVEs
Description
In MISP before 2.4.148, app/Lib/Export/OpendataExport.php mishandles parameter data that is used in a shell_exec call.
Timeline
Published 2021-09-17
Modified 2026-06-22
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-2021-41326Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Misp-project Misp"All exposed Misp-project Misp instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Misp"HTTP body or banner mentions "Misp" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2021-41326Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2021-41326Censys host search filtered to this CVE id.
grep.app
CVE-2021-41326Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2021-41326GitHub code search for direct mentions.
Google dork
"CVE-2021-41326" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.