thinQtankLABS

Print Management Server Patch Triage & Remediation: CVE-2023-27350

Triage a Critical, CISA-KEV-listed PaperCut NG/MF unauthenticated admin bypass to RCE (CVE-2023-27350): confirm the version, score it with CVSS, identify CWE-284, judge the pre-auth exposure, upgrade and verify.

Beginner 21 guided steps 5 tasks About 50 minutes Runs in your browser

Skills you will practice

  • Vulnerability and patch management; Vulnerability identification and prioritization; Print-management server administration and updates

Certifications this lab maps to

This lab builds hands-on skills that appear on these certification exams. thinQtank Learning runs instructor-led training camps for each — click one to see upcoming classes.

CompTIA Security+ SY0-701 Vulnerability and patch management Training at thinQtank Learning CompTIA CySA+ CS0-003 Vulnerability identification and prioritization Training at thinQtank Learning CompTIA Network+ N10-009 Server/service administration on the network Training at thinQtank Learning
Part of these certification lab packages: Security+ SY0-701 CySA+ CS0-003 Network+ N10-009 Certified in Cybersecurity (CC) GSEC GSEC

The scenario

You are the systems analyst on call. The scanner flagged CVE-2023-27350 — an unauthenticated access-control bypass in PaperCut's SetupCompleted page that leads to RCE as SYSTEM — and it is in the CISA KEV catalog. Start by understanding it.

What you will do

  1. Triage the alert4 steps

    Open the ticket · Read the scan report · Which CVE? · Read the ticket

  2. Confirm the version4 steps

    Check the version · What version is running? · Read the advisory · Is the host affected?

  3. Assess the severity5 steps

    Find the CVSS vector · Compute the base score · What is the base score? · Why 9.8? · …

  4. Confirm exposure and scan2 steps

    Check exposure · Baseline scan

  5. Remediate and verify6 steps

    Which fixed version? · Upgrade PaperCut · Confirm the version · Verify with a scan · …

How this lab works

A real Linux-style console. Commands run against real files, so hashes, hex dumps and comparisons give real results.

A file browser where you can place evidence into the lab, either the file provided or one of your own.

Reset a single step, a whole task or the entire lab. The environment is rebuilt so you can try again cleanly.

Progress saves after every step. Close the tab and come back later; your files and answers are waiting.