CVE-2023-27351
PaperCut NG/MF Improper Authentication Vulnerability
This vulnerability allows remote attackers to bypass authentication on affected installations of PaperCut NG 22.0.5 (Build 63914). Authentication is not required to exploit this vulnerability. The specific flaw exists within the SecurityRequestFilter class.
The issue results from improper implementation of the authentication algorithm. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-19226.
HIGH · CVSS 7.5
⚠ CISA KEV
EPSS 0.83284
Ransomware: known
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- Listed on CISA KEV (known exploited in the wild)
- Linked to known ransomware campaigns
- SSVC exploitation status: active
- EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
- EPSS percentile: top 1% of all CVEs by exploitation likelihood
- Public exploit or PoC is available
- SSVC automatable: yes - attacks can be scripted at scale
- CVSS base score ≥ 7.0
Sigma rules0
YARA rules0