CVE•Published 2022-02-02•Modified 2026-07-09•1 article on news•6 live references•NVD data
CVE-2021-42640Printerlogic · Web_stack
Vulnerability data via NVD (ingested)
CVSS v3.1
9.1
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS percentile
79
Exploit Prediction Scoring System · top 21% of all CVEs
Weaknesses (CWE)
Description
PrinterLogic Web Stack versions 19.1.1.13 SP9 and below are vulnerable to an Insecure Direct Object Reference (IDOR) vulnerability that allows an unauthenticated attacker to reassign drivers for any printer.
Timeline
Published 2022-02-02
Modified 2026-07-09
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-2021-42640Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Printerlogic Web Stack"All exposed Printerlogic Web Stack instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Web Stack"HTTP body or banner mentions "Web Stack" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2021-42640Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2021-42640Censys host search filtered to this CVE id.
grep.app
CVE-2021-42640Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2021-42640GitHub code search for direct mentions.
Google dork
"CVE-2021-42640" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2021-42640 on GitHub.