This vulnerability allows remote attackers to bypass authentication on affected installations of PaperCut NG 22.0.5 (Build 63914).
Affects PaperCut NG Application and Site Servers version 8.0 and above on all supported operating systems. No vendor rating or fix is listed in the checked facts.
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Listed in CISA KEV
- How many real-world setups can hit the bug, from the vendor's advisory and CISA data. It does not know your setup.What do these mean? →
- Actively exploited
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
PaperCut NG, a print management application, is affected by a flaw that lets remote, unauthenticated attackers bypass login protections. Successful exploitation could allow an attacker to run arbitrary code with SYSTEM-level privileges on the host.
Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.
Read the original description
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 SetupCompleted class. The issue results from improper access control. An attacker can leverage this vulnerability to bypass authentication and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-18987.
Timeline
- CVE published
- Added to CISA KEV
CISA has evidence of exploitation in the wild
- CISA remediation deadline
Due date for US federal agencies to patch
- Record last updated
- EPSS reached 10%
FIRST estimates at least a 10% chance of exploitation in the next 30 days
Affected versions
- PaperCut NG
22.0.5 (Build 63914)
References 7
zerodayinitiative.com
papercut.com
packetstormsecurity.com
Questions about CVE-2023-27350
What does this mean?
The flaw lets a remote attacker bypass authentication on affected PaperCut installations. The advisory also says it can be used to run arbitrary code in the context of SYSTEM.Source: sophos.com, zerodayinitiative.com
Am I affected, and how do I check?
The checked facts list PaperCut NG Application and Site Servers version 8.0 and above, across all supported operating systems. To check a installation, compare its version in the PaperCut admin interface against that range.Source: sophos.com, zerodayinitiative.com
What should I do about it?
The checked facts do not name a fixed version, so no upgrade target can be given. Check the vendor's advisory for the current fixed release.Source: sophos.com, zerodayinitiative.com
Is it being exploited?
Yes. CISA added it to its Known Exploited Vulnerabilities catalog on 2023-04-21, which means it has evidence of attacks. No public exploit code is tracked.Source: cisa.gov, cve.now feed data
What if there's no patch?
The checked facts do not include a workaround. Until a fix is confirmed, follow the vendor's advisory for any mitigation it provides.Source: sophos.com, zerodayinitiative.com