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CVE-2021-42640

31
FAUCET Score

CVE-2021-42640 is an Insecure Direct Object Reference (IDOR) vulnerability affecting PrinterLogic Web Stack versions 19.1.1.13 SP9 and below. This critical vulnerability, with a CVSS score of 9.1, allows an unauthenticated attacker to reassign drivers for any printer, potentially leading to high impact on confidentiality and integrity. While there is no evidence of active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered some community discussion and media coverage, indicating awareness within the cybersecurity landscape.

Impacted Technologies

VendorProductVersion(s)CPE
< 19.1.1.13CPE matchmatch criteria
cpe:2.3:a:printerlogic:web_stack:*:*:*:*:*:*:*:*
19.1.1.13CPE matchmatch criteria
cpe:2.3:a:printerlogic:web_stack:19.1.1.13:-:*:*:*:*:*:*
19.1.1.13CPE matchmatch criteria
cpe:2.3:a:printerlogic:web_stack:19.1.1.13:sp2:*:*:*:*:*:*
19.1.1.13CPE matchmatch criteria
cpe:2.3:a:printerlogic:web_stack:19.1.1.13:sp3-3:*:*:*:*:*:*
19.1.1.13CPE matchmatch criteria
cpe:2.3:a:printerlogic:web_stack:19.1.1.13:sp9:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.1CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.03%
Probability of exploitation in next 30 days
EPSS Percentile
79.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0203 is in the 68th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

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