CVE-2023-4568

MEDIUMNVD 6.56.5—Weaponized

6.5

PaperCut NG allows for unauthenticated XMLRPC commands to be run by default. Versions 22.0.12 and below are confirmed to be affected, but later versions may also be affected due to lack of a vendor supplied patch.

CVSS v3: 6.5
EG Score: 6.5(medium)
EPSS: 99.0%
KEV: Not listed

Published

September 13, 2023

Last Modified

November 21, 2024

References (2)

vulnreport@tenablehttps://www.tenable.com/security/research/tra-2023-31
af854a3a-2127-422b-91ae-364da2661108https://www.tenable.com/security/research/tra-2023-31

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-287Improper Authentication

Data Freshness Timeline

(refreshed 12× in last 7d / 16× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-07 15:24 UTCepss_batch
2026-06-07 15:23 UTCepss_batch
2026-06-06 13:46 UTCepss_batch
2026-06-06 13:46 UTCepss_batch
2026-06-05 06:09 UTCepss_batch
2026-06-05 06:09 UTCepss_batch
2026-06-05 06:09 UTCepss_batch
2026-06-04 13:11 UTCepss_batch
2026-06-04 13:11 UTCepss_batch
2026-06-04 13:11 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-24 17:36 UTCEG score recompute
2026-05-24 17:36 UTCGHSA enrichment

Publicly available exploits

(1 reference)

Working exploit code is in the public domain. Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Nucleihttp/cves/2023/CVE-2023-4568.yaml
First seen Jan 1, 2023
PaperCut NG Unauthenticated XMLRPC Functionality
Open source ↗

Frequently asked(5)

What is CVE-2023-4568?

CVE-2023-4568 is a medium vulnerability published on September 13, 2023. PaperCut NG allows for unauthenticated XMLRPC commands to be run by default. Versions 22.0.12 and below are confirmed to be affected, but later versions may also be affected due to lack of a vendor supplied patch.

When was CVE-2023-4568 disclosed?

CVE-2023-4568 was first published in the National Vulnerability Database on September 13, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-4568 actively exploited?

CVE-2023-4568 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-4568?

CVE-2023-4568 has a CVSS v3 base score of 6.5 (NVD).

How do I remediate CVE-2023-4568?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-4568, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2023-4568

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

Publicly available exploits

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-4568?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)