CVE•Published 2017-02-07•Modified 2026-05-13•1 article on news•6 live references•NVD data

CVE-2016-2539Atutor · Atutor

Vulnerability data via NVD (ingested)

CVSS v3.1

8.8

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS percentile

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Weaknesses (CWE)

CWE-352Cross-Site Request Forgery (CSRF)

Description

Cross-site request forgery (CSRF) vulnerability in install_modules.php in ATutor before 2.2.2 allows remote attackers to hijack the authentication of users for requests that upload arbitrary files and execute arbitrary PHP code via vectors involving a crafted zip file.

Timeline

Published 2017-02-07

Modified 2026-05-13

External references

NVD MITRE Exploit-DB GitHub PoC trickest/cve VulnCheck

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-2016-2539

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · product

product:"Atutor Atutor"

All exposed Atutor Atutor instances — cross-reference with the CVE's affected-version range.

Shodan · banner/body mention

http.html:"Atutor"

HTTP body or banner mentions "Atutor" — catches deploys Shodan didn't identify as a product.

More intel sources (5)

Shodan report

vuln:CVE-2016-2539