CVE-2023-39470: PaperCut NG print.script.sandboxed Exposed Dangerous Function Remote Code Execution Vulnerability
- Is it exploited?
Reported, not confirmed by CISA. VulnCheck KEV lists it as exploited in the wild. CISA has not added it to its Known Exploited Vulnerabilities catalog as of .
VulnCheck KEV lists it since . It cites 31 public reports, the first from .
- How likely is exploitation in the next 30 days?
- 1.8%
EPSS score, percentile 78.1 of all scored records. A probability estimated by FIRST, not a report of exploitation.
- How severe?
- 7.2 High
CVSS v3.0 base score, given by the CNA
- What should I do?
CISA has set no required action, because the vulnerability is not in KEV.
- Which versions are affected?
Affected
- 22.0.10 65996
Source: CISA KEV 2026.10.29, as of ; VulnCheck KEV, as of ; FIRST EPSS, as of ; CVE List, as of . About the data.
Description
PaperCut NG print.script.sandboxed Exposed Dangerous Function Remote Code Execution Vulnerability
PaperCut NG print.script.sandboxed Exposed Dangerous Function Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of PaperCut NG. Authentication is required to exploit this vulnerability. The specific flaw exists within the management of the print.script.sandboxed setting. The issue results from the exposure of a dangerous function. An attacker can leverage this vulnerability to execute code in the context of SYSTEM. Was ZDI-CAN-20965.
Source: CVE List, as of . About the data.
What to do
Advisories and patches
This summary is based on the CVE record as of . Check the vendor's advisory before you act: affected versions and fixes can change.
Affected products and versions
Versions by product, as listed in the CVE record (1 product)
| Status | Versions |
|---|---|
| Affected | 22.0.10 65996 |
Versions not listed are: unknown.
Source: CVE List, as of . About the data.
Weakness
CWE-749
- CWE-749: Exposed Dangerous Method or Function
CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record.
Timeline
| Date | Event |
|---|---|
| CVE record published | |
| CVE record last updated |
References
1
Known exploited PaperCut vulnerabilities
- CVE-2026-81578: PaperCut NG/MF Missing Authentication for Critical Function Vulnerability
- CVE-2026-82078: PaperCut NG/MF Unsafe Reflection Vulnerability
- CVE-2023-27351: PaperCut NG/MF Improper Authentication Vulnerability
- CVE-2023-2533: PaperCut NG/MF Cross-Site Request Forgery (CSRF) Vulnerability
- CVE-2023-27350: PaperCut MF/NG Improper Access Control Vulnerability