CVE•Published 2022-02-02•Modified 2026-07-09•1 article on news•6 live references•NVD data
CVE-2021-42637Printerlogic · Web_stack
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
81
Exploit Prediction Scoring System · top 19% of all CVEs
Weaknesses (CWE)
Description
PrinterLogic Web Stack versions 19.1.1.13 SP9 and below use user-controlled input to craft a URL, resulting in a Server Side Request Forgery (SSRF) vulnerability.
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-2021-42637Hosts 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-2021-42637Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2021-42637Censys host search filtered to this CVE id.
grep.app
CVE-2021-42637Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2021-42637GitHub code search for direct mentions.
Google dork
"CVE-2021-42637" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2021-42637 on GitHub.