Security News > 2023 > April > Clop, LockBit ransomware gangs behind PaperCut server attacks
Microsoft has attributed recent attacks on PaperCut servers to the Clop and LockBit ransomware operations, which used the vulnerabilities to steal corporate data.
Today, Microsoft disclosed that the Clop and LockBit ransomware gangs are behind these PaperCut attacks and using them to steal corporate data from vulnerable servers.
In a series of tweets posted Wednesday afternoon, Microsoft states that it has attributed the recent PaperCut attacks to the Clop ransomware gang.
"Microsoft is attributing the recently reported attacks exploiting the CVE-2023-27350 and CVE-2023-27351 vulnerabilities in print management software PaperCut to deliver Clop ransomware to the threat actor tracked as Lace Tempest," tweeted Microsoft's Threat Intelligence researchers.
In addition to Clop, Microsoft says some intrusions have led to LockBit ransomware attacks.
The exploitation of PaperCut servers fits a general pattern we have seen with the Clop ransomware gang over the past three years.
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Related Vulnerability
DATE | CVE | VULNERABILITY TITLE | RISK |
---|---|---|---|
2023-04-20 | CVE-2023-27351 | Unspecified vulnerability in Papercut MF and Papercut NG This vulnerability allows remote attackers to bypass authentication on affected installations of PaperCut NG 22.0.5 (Build 63914). | 7.5 |
2023-04-20 | CVE-2023-27350 | Unspecified vulnerability in Papercut NG This vulnerability allows remote attackers to bypass authentication on affected installations of PaperCut NG 22.0.5 (Build 63914). | 9.8 |