PaperCut

Pierluigi Paganini August 05, 2023
New PaperCut flaw in print management software exposes servers to RCE attacks

Researchers discovered a vulnerability in PaperCut NG/MF print management software that can lead to remote code execution. Cybersecurity researchers at Horizon3 discovered a high-severity vulnerability, tracked as CVE-2023-39143 (CVSS score: 8.4), in PaperCut print management software for Windows. An attacker can exploit the vulnerability to gain remote code execution under specific conditions. The vulnerability CVE-2023-39143 is a path traversal […]

Pierluigi Paganini May 09, 2023
Iran-linked APT groups started exploiting Papercut flaw

Microsoft warns of Iran-linked APT groups that are targeting vulnerable PaperCut MF/NG print management servers. Microsoft warns that Iran-linked APT groups have been observed exploiting the CVE-2023-27350 flaw in attacks against PaperCut MF/NG print management servers. The CVE-2023-27350 flaw is a PaperCut MF/NG Improper Access Control Vulnerability. PaperCut MF/NG contains an improper access control vulnerability within the […]

Pierluigi Paganini May 04, 2023
Experts devised a new exploit for the PaperCut flaw that can bypass all current detection

VulnCheck researchers devised a new exploit for a recently disclosed critical flaw in PaperCut servers that bypasses all current detections. Cybersecurity researchers from VulnCheck have developed a new exploit for the recently disclosed critical flaw in PaperCut servers, tracked as CVE-2023-27350 (CVSS score: 9.8), that bypasses all current detections. The CVE-2023-27350 flaw is a PaperCut MF/NG Improper Access […]

Pierluigi Paganini April 27, 2023
Crooks use PaperCut exploits to deliver Cl0p and LockBit ransomware

Microsoft revealed that recent attacks against PaperCut servers aimed at distributing Cl0p and LockBit ransomware. Microsoft linked the recent attacks against PaperCut servers to a financially motivated threat actor tracked as Lace Tempest (formerly DEV-0950). The group is known to be an affiliate of the Clop ransomware RaaS affiliate, it has been linked to GoAnywhere attacks and […]

Pierluigi Paganini April 24, 2023
Experts released PoC Exploit code for actively exploited PaperCut flaw

Threat actors are exploiting PaperCut MF/NG print management software flaws in attacks in the wild, while researchers released PoC exploit code. Hackers are actively exploiting PaperCut MF/NG print management software flaws (tracked as CVE-2023-27350 and CVE-2023-27351) in attacks in the wild. The threat actors were observed installing the Atera remote management software to take over vulnerable servers. On […]

Pierluigi Paganini April 24, 2023
Russian cybercrime group likely behind ongoing exploitation of PaperCut flaws

Print management software provider PaperCut confirmed ongoing active exploitation of CVE-2023-27350 vulnerability. On April 19th, Print management software provider PaperCut confirmed that it is aware of the active exploitation of the CVE-2023-27350 vulnerability. The company received two vulnerability reports from the cybersecurity firm Trend Micro for high/critical severity security issues in PaperCut MF/NG.  Trend Micro announced they will […]