PaperCut MF/NG: Authentication Bypass
- 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- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean?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
- Fix
- Fixed in 24.1.10, 25.0.13, 26.0.5
- 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 MF and PaperCut NG are affected through their web management interface. An unauthenticated remote attacker could exploit this flaw to change certain system settings without logging in.
Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.
Read the original description
An improper access control vulnerability exists in the web management interface of PaperCut MF and PaperCut NG. Under specific conditions, unauthenticated remote requests targeting administrative functions can trigger backend actions prior to the completion of access validation checks. This allows an unauthenticated remote attacker to modify certain system configurations.
Timeline
- CVE published
- Added to CISA KEV
CISA has evidence of exploitation in the wild
- Record last updated
- CISA remediation deadline
Due date for US federal agencies to patch
- EPSS reached 10%
FIRST estimates at least a 10% chance of exploitation in the next 30 days
Affected versions
- PaperCut PaperCut MF/NG
fixed in 24.1.10; From 25.0.0 · fixed in 25.0.13; From 26.0.0 · fixed in 26.0.5