CVE-2021-42633

Exp

PrinterLogic Web Stack versions 19.1.1.13 SP9 and below are vulnerable to SQL Injection, which may allow an attacker to access additional audit records.

Published: 2022-02-02 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2021-42633 is rated High Exploit Risk (64.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.01%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.31% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2021-42633

EDB-ID Source Kind Published Link
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2021-42633

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.70% 2.01% +1.31%
2 2026-02-13 0.63% 0.70% +0.07%
3 2025-11-21 0.63%

Full EPSS history (13 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2021-42633

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.3 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
3.9 1.4 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2021-42633

Affected software / configurations for CVE-2021-42633

Vendor Product Version Raw CPE
printerlogic web_stack < 19.1.1.13 cpe:2.3:a:printerlogic:web_stack:*:*:*:*:*:*:*:*
printerlogic web_stack 19.1.1.13 cpe:2.3:a:printerlogic:web_stack:19.1.1.13:-:*:*:*:*:*:*
printerlogic web_stack 19.1.1.13 cpe:2.3:a:printerlogic:web_stack:19.1.1.13:sp2:*:*:*:*:*:*
printerlogic web_stack 19.1.1.13 cpe:2.3:a:printerlogic:web_stack:19.1.1.13:sp3-3:*:*:*:*:*:*
printerlogic web_stack 19.1.1.13 cpe:2.3:a:printerlogic:web_stack:19.1.1.13:sp9:*:*:*:*:*:*

References for CVE-2021-42633

URL Tags
http://printerlogic.com Product
https://portswigger.net/daily-swig/printerlogic-vendor-addresses-triple-rce-threat-against-all-connected-endpoints Not Applicable
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=rss&utm_medium=rss&utm_campaign=printerlogic-%25f0%259f%2596%25a8-fixes-critical-vulnerabilities-in-its-suite Third Party Advisory
https://www.printerlogic.com/security-bulletin/ Vendor Advisory
https://www.securityweek.com/printerlogic-patches-code-execution-flaws-printer-management-suite Third Party Advisory
https://www.yahooinc.com/paranoids/paranoids-vulnerability-research-printerlogic-issues-security-alert/ Exploit Third Party Advisory
cvelogic Threat Intelligence