PaperCut MF/NG 22.0.10 (Build 65996 2023-03-27) - Remote code execution via CSRF
PaperCut MF/NG 22.0.10 (Build 65996) is affected when an administrator has a current login session, via CSRF. Fixed in 22.1.1.
- 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- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean?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
- Fix
- Fixed in 2.1.1
- 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, print management software, are affected by a cross-site request forgery flaw that could let an attacker change security settings or run arbitrary code on the server. The attack would typically require tricking a logged-in administrator into clicking a specially crafted malicious link.
Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.
Read the original description
A Cross-Site Request Forgery (CSRF) vulnerability has been identified in PaperCut NG/MF, which, under specific conditions, could potentially enable an attacker to alter security settings or execute arbitrary code. This could be exploited if the target is an admin with a current login session. Exploiting this would typically involve the possibility of deceiving an admin into clicking a specially crafted malicious link, potentially leading to unauthorized changes.
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 PaperCut NG/MF
From 22.0.10 · fixed in 2.1.1
References 2
fluidattacks.com
papercut.com
Questions about CVE-2023-2533
What does this mean?
The bug is a cross-site request forgery flaw, where a crafted request can get an administrator's logged-in session to perform actions. The advisory says this could let an attacker alter security settings or execute arbitrary code.Source: fluidattacks.com
Am I affected, and how do I check?
The advisory names PaperCut MF/NG version 22.0.10 (Build 65996). The advisory describes the case where the target is an admin with a current login session. To check the installed version, look at the version shown in the PaperCut admin web interface.Source: fluidattacks.com
What should I do about it?
Upgrade to the fixed version listed in the advisory, 22.1.1.Source: fluidattacks.com
Is it being exploited?
Yes. CISA added it to its Known Exploited Vulnerabilities catalog on 2025-07-28, which means it has evidence of attacks. No public exploit code is tracked.Source: cisa.gov, cve.now feed data