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CRITICAL

CVE-2021-42640

CVSS v3

9.1

CRITICAL

EPSS Score

2.0 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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.

Technical details

Published
2022-02-02

Frequently asked questions

What is CVE-2021-42640?

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.

Is CVE-2021-42640 actively exploited?

Active exploitation of CVE-2021-42640 has not been confirmed. Its EPSS score was 2.0% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-42640?

CVE-2021-42640 has a CVSS v3 base score of 9.1 (CRITICAL severity).

Is CVE-2021-42640 affecting your environment?

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