CVE-2021-42637

Name: CVE-2021-42637
Creator: NVD / NIST
Published: 2022-02-02T18:15:07.463+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 2.31%

Last modified Jun 17, 2026

CVE-2021-42637 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 2.31% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

2.31%

81.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-918

Affected Software

Vendor	Product	Versions
Printerlogic	Web Stack	< 19.1.1.13
Printerlogic	Web Stack	19.1.1.13

References

http://printerlogic.comProduct
https://portswigger.net/daily-swig/printerlogic-vendor-addresses-triple-rce-threat-against-all-connected-endpointsNot Applicable
https://securityaffairs.co/wordpress/127194/security/printerlogic-printer-management-suite-flaws.htmlThird Party Advisory
https://thecyberthrone.in/2022/01/26/printerlogic-%F0%9F%96%A8-fixes-critical-vulnerabilities-in-its-suite/?utm_source=rss&utm_medium=rss&utm_campaign=printerlogic-%25f0%259f%2596%25a8-fixes-critical-vulnerabilities-in-its-suiteThird Party Advisory
https://www.printerlogic.com/security-bulletin/Vendor Advisory
https://www.securityweek.com/printerlogic-patches-code-execution-flaws-printer-management-suiteThird Party Advisory
https://www.yahooinc.com/paranoids/paranoids-vulnerability-research-printerlogic-issues-security-alert/Exploit, Third Party Advisory
http://printerlogic.comProduct
https://portswigger.net/daily-swig/printerlogic-vendor-addresses-triple-rce-threat-against-all-connected-endpointsNot Applicable
https://securityaffairs.co/wordpress/127194/security/printerlogic-printer-management-suite-flaws.htmlThird Party Advisory
https://thecyberthrone.in/2022/01/26/printerlogic-%F0%9F%96%A8-fixes-critical-vulnerabilities-in-its-suite/?utm_source=rss&utm_medium=rss&utm_campaign=printerlogic-%25f0%259f%2596%25a8-fixes-critical-vulnerabilities-in-its-suiteThird Party Advisory
https://www.printerlogic.com/security-bulletin/Vendor Advisory
https://www.securityweek.com/printerlogic-patches-code-execution-flaws-printer-management-suiteThird Party Advisory
https://www.yahooinc.com/paranoids/paranoids-vulnerability-research-printerlogic-issues-security-alert/Exploit, Third Party Advisory

Timeline

Published: Feb 2, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-42637?

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.

How severe is CVE-2021-42637?

CVE-2021-42637 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.31% probability of exploitation in the next 30 days.

How do I fix CVE-2021-42637?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-42637?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST