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Vulnerability record · CVE-2021-42631 · published 31 January 2022

CVE-2021-42631: Printerlogic virtual appliance deserialization of untrusted data vulnerability

Printerlogic · Virtual Appliance

PrinterLogic Web Stack versions 19.1.1.13 SP9 and below deserializes attacker controlled leading to pre-auth remote code execution.

8.1 CVSS 3.1 High EPSS 6.2% · top 6.8% CWE-502 · Deserialization of untrusted data
8.1CVSS 3.1 base score, v2 9.3
6.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
12References, 2 tagged exploit
9 Jul 2026Last modified by NVD

Description

PrinterLogic Web Stack versions 19.1.1.13 SP9 and below deserializes attacker controlled leading to pre-auth remote code execution.

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

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://portswigger.net/daily-swig/printerlogic-vendor-addresses-triple-rce-threat-against-all-connected-endpoints Press/Media CoverageThird Party Advisory
https://securityaffairs.co/wordpress/127194/security/printerlogic-printer-management-suite-flaws.html Third Party Advisory
https://thecyberthrone.in/2022/01/26/printerlogic-%F0%9F%96%A8-fixes-critical-vulnerabilities-in-its-suite/?utm_source=r Press/Media CoverageThird Party Advisory
https://www.printerlogic.com/security-bulletin/ Vendor Advisory
https://www.securityweek.com/printerlogic-patches-code-execution-flaws-printer-management-suite Press/Media CoverageThird Party Advisory
https://www.yahooinc.com/paranoids/paranoids-vulnerability-research-printerlogic-issues-security-alert/ ExploitPress/Media CoverageThird Party Advisory
https://portswigger.net/daily-swig/printerlogic-vendor-addresses-triple-rce-threat-against-all-connected-endpoints Press/Media CoverageThird Party Advisory
https://securityaffairs.co/wordpress/127194/security/printerlogic-printer-management-suite-flaws.html Third Party Advisory
https://thecyberthrone.in/2022/01/26/printerlogic-%F0%9F%96%A8-fixes-critical-vulnerabilities-in-its-suite/?utm_source=r Press/Media CoverageThird Party Advisory
https://www.printerlogic.com/security-bulletin/ Vendor Advisory
https://www.securityweek.com/printerlogic-patches-code-execution-flaws-printer-management-suite Press/Media CoverageThird Party Advisory
https://www.yahooinc.com/paranoids/paranoids-vulnerability-research-printerlogic-issues-security-alert/ ExploitPress/Media CoverageThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2025-27681Printerlogic vasion print vulnerabilityVasion Print (formerly PrinterLogic) before Virtual Appliance Host 1.0.735 Application 20.0.1330 mishandles Client Inter-process Security V-2022-004.EPSS 0.74%9.8CVE-2025-27682Printerlogic vasion print incorrect default permissions vulnerabilityVasion Print (formerly PrinterLogic) before Virtual Appliance Host 1.0.735 Application 20.0.1330 allows Insecure Log Permissions V-2022-005.EPSS 0.68%9.8CVE-2025-27672Printerlogic vasion print improper authentication vulnerabilityVasion Print (formerly PrinterLogic) before Virtual Appliance Host 22.0.843 Application 20.0.1923 allows OAUTH Security Bypass OVE-20230524-0016.EPSS 0.62%9.8CVE-2025-27674Printerlogic vasion print vulnerabilityVasion Print (formerly PrinterLogic) before Virtual Appliance Host 22.0.843 Application 20.0.1923 allows Hardcoded IdP Key V-2023-006.EPSS 0.69%9.8CVE-2025-27675Printerlogic vasion print information exposure vulnerabilityVasion Print (formerly PrinterLogic) before Virtual Appliance Host 22.0.843 Application 20.0.1923 allows Vulnerable OpenID Implementation V-2023-004.EPSS 0.75%9.8CVE-2025-27677Printerlogic vasion print incorrect default permissions vulnerabilityVasion Print (formerly PrinterLogic) before Virtual Appliance Host 22.0.843 Application 20.0.1923 allows Symbolic Links For Unprivileged File Interac…EPSS 0.69%9.8CVE-2025-27678Printerlogic vasion print code injection vulnerabilityVasion Print (formerly PrinterLogic) before Virtual Appliance Host 22.0.843 Application 20.0.1923 allows Client Remote Code Execution V-2023-001.EPSS 1.3%9.8CVE-2025-27667Printerlogic vasion print observable discrepancy vulnerabilityVasion Print (formerly PrinterLogic) before Virtual Appliance Host 22.0.843 Application 20.0.1923 allows Administrative User Email Enumeration OVE-20…EPSS 0.66%

Source: NIST National Vulnerability Database (record CVE-2021-42631), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.