LIVE · cybersecurity feed
Live wire
cve recordhighexploited in the wildzero day3 of 3 cataloguesransomwareexploit reported

CVE-2023-27350

PaperCut · MF/NG · PaperCut MF/NG Improper Access Control Vulnerability

· Added to CISA KEV
CVSS—
Severityhigh
Weakness—
EPSS100.0%100.0th percentile
Exploited3 KEV sources
Ransomware useKnown
Federal fix dueMay 12, 2023
patch window

Called exploited 2 days before disclosure.

Measured from the CVE publication date to the earliest of 3 KEV catalogues that list it.

The life of this vulnerability

  1. CVE published
  2. First KEV listing2d
  3. Last KEV listing3d
  4. Last sighting3.4y

Gaps are compressed to equal steps. The elapsed time is printed under each.

Which catalogues call it exploited

Sources3 of 3
Listings differ by3 d
Strongest claimconfirmed

3 catalogues list it. CIRCL aggregates the others and is shown but not counted.

Public exploitation evidence

822 public reports collected from VulnCheck and CIRCL, first on Apr 18, 2023. Each links to its original source. We have not verified them.

Description

PaperCut MF/NG contains an improper access control vulnerability within the SetupCompleted class that allows authentication bypass and code execution in the context of system.

Required action (CISA)

Apply updates per vendor instructions.

References

← Back to the CVE Tracker

Our coverage of CVE-2023-27350

CVE-2026-82078critical

PaperCut releases second emergency patch for exploited flaws

PaperCut has issued a second emergency security update for its NG and MF print management software, addressing two actively exploited vulnerabilities after researchers identified multiple methods to bypass the initial fixes. The company had previously released an emergency patch for PaperCut NG/MF versions 25 and 26, warning of zero-day exploitation, but initially withheld technical details…