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TI-2021-18870 Aliases CVE-2021-42631GHSA-56m9-5m6m-wm57

PrinterLogic Web Stack versions 19.1.1.13 SP9 and below deserializes attacker controlled…

Priority MEDIUM 44CWE-502Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-502.

Summary

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

Why it matters now

EPSS 0.0617 93rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 8

CPEVersionsRoleVendor
cpe:2.3:a:printerlogic:virtual_appliance:*:*:*:*:*:*:*:*up to 20.0.1304VulnerablePrinterLogic
cpe:2.3:a:printerlogic:web_stack:*:*:*:*:*:*:*:*before 19.1.1.13VulnerablePrinterLogic
cpe:2.3:a:printerlogic:web_stack:19.1.1.13:-:*:*:*:*:*:*19.1.1.13VulnerablePrinterLogic
cpe:2.3:a:printerlogic:web_stack:19.1.1.13:sp2:*:*:*:*:*:*19.1.1.13 sp2VulnerablePrinterLogic
cpe:2.3:a:printerlogic:web_stack:19.1.1.13:sp3-3:*:*:*:*:*:*19.1.1.13 sp3-3VulnerablePrinterLogic
cpe:2.3:a:printerlogic:web_stack:19.1.1.13:sp9:*:*:*:*:*:*19.1.1.13 sp9VulnerablePrinterLogic
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*not specified by NVDRunning onApple
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*not specified by NVDRunning onLinux
  • cpe:2.3:a:printerlogic:virtual_appliance:*:*:*:*:*:*:*:* Versions up to 20.0.1304 Vulnerable ·PrinterLogic
  • cpe:2.3:a:printerlogic:web_stack:*:*:*:*:*:*:*:* Versions before 19.1.1.13 Vulnerable ·PrinterLogic
  • cpe:2.3:a:printerlogic:web_stack:19.1.1.13:-:*:*:*:*:*:* Versions 19.1.1.13 Vulnerable ·PrinterLogic
  • cpe:2.3:a:printerlogic:web_stack:19.1.1.13:sp2:*:*:*:*:*:* Versions 19.1.1.13 sp2 Vulnerable ·PrinterLogic
  • cpe:2.3:a:printerlogic:web_stack:19.1.1.13:sp3-3:*:*:*:*:*:* Versions 19.1.1.13 sp3-3 Vulnerable ·PrinterLogic
  • cpe:2.3:a:printerlogic:web_stack:19.1.1.13:sp9:*:*:*:*:*:* Versions 19.1.1.13 sp9 Vulnerable ·PrinterLogic
  • cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Apple
  • cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Linux

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-42631
  2. 2026-10-03 Alias added: GHSA-56m9-5m6m-wm57

References

Exploit 1

Advisory 5

  • TI-2025-20475 Vasion Print (formerly PrinterLogic) before Virtual Appliance Host 22.0.843 Application… CVSS 3.1MEDIUM 6.1
  • TI-2025-20453 Vasion Print (formerly PrinterLogic) before Virtual Appliance Host 22.0.862 Application… CVSS 3.1MEDIUM 6.1
  • TI-2025-20452 Vasion Print (formerly PrinterLogic) before Virtual Appliance Host 22.0.862 Application… CVSS 3.1MEDIUM 6.1
  • TI-2025-20436 Vasion Print (formerly PrinterLogic) before Virtual Appliance Host 22.0.1002 Application… CVSS 3.1MEDIUM 6.1
  • TI-2025-20456 Vasion Print (formerly PrinterLogic) before Virtual Appliance Host 22.0.843 Application… CVSS 3.1CRITICAL 9.8
  • TI-2025-20477 Vasion Print (formerly PrinterLogic) before Virtual Appliance Host 22.0.843 Application… CVSS 3.1CRITICAL 9.8
See all 49 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences