CVE-2023-3486

HIGHNVD 8.28.9▲
EchelonGraph scoreHIGH confidence

Score elevated to 8.9 because EPSS predicts 76% probability of exploitation within the next 30 days (top 0.5% of all CVEs). NVD baseline CVSS 8.2 retained for reference. Confidence: see factors.

Triggered by: EPSS exploit prediction ≥85%
Sources: epss, ghsa, nvd
Weaponized
8.2
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • High exploitation likelihood — EPSS 76%
CISA-KEV: Not listedEPSS: 76%CVSS: 8.2Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

An authentication bypass exists in PaperCut NG versions 22.0.12 and prior that could allow a remote, unauthenticated attacker to upload arbitrary files to the PaperCut NG host’s file storage. This could exhaust system resources and prevent the service from operating as expected.

CVSS v3
8.2
EG Score
8.9(high)
EG Risk
85(Attend)
EG Risk 85/100SSVC: Attend

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity89% × 45%
Exploitation76% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS
99.5%
KEV
Not listed

Published

July 25, 2023

Last Modified

November 21, 2024

References (4)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 7× in last 7d / 25× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-24 14:16 UTCEPSS rescore
  2. 2026-07-23 02:23 UTCEG score recompute▲ 0.70
  3. 2026-07-22 23:10 UTCEG score recompute
  4. 2026-07-22 14:06 UTCEPSS rescore
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  22. 2026-06-28 04:55 UTCEPSS rescore
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  24. 2026-06-25 13:48 UTCEPSS rescore
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  1. 2026-06-24 14:04 UTCEPSS rescore
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  3. 2026-06-23 21:31 UTCEPSS rescore
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  5. 2026-06-21 01:58 UTCEPSS rescore
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  7. 2026-06-17 17:51 UTCEPSS rescore
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  11. 2026-06-15 17:47 UTCEPSS rescore
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  18. 2026-06-11 13:59 UTCEPSS rescore
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  20. 2026-06-10 22:17 UTCEPSS rescore
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  23. 2026-06-08 14:16 UTCEPSS rescore
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  25. 2026-06-07 15:23 UTCEPSS rescore
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  27. 2026-06-06 13:46 UTCEPSS rescore
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  36. 2026-06-02 20:12 UTCEPSS rescore
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  38. 2026-05-31 00:15 UTCEPSS rescore
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  40. 2026-05-29 13:43 UTCEPSS rescore
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  42. 2026-05-28 13:44 UTCEPSS rescore
  43. 2026-05-28 13:43 UTCEPSS rescore
  44. 2026-05-27 13:39 UTCEPSS rescore
  45. 2026-05-27 13:39 UTCEPSS rescore
  46. 2026-05-26 13:43 UTCEPSS rescore
  47. 2026-05-26 13:43 UTCEPSS rescore
  48. 2026-05-26 07:18 UTCEPSS rescore
  49. 2026-05-26 07:18 UTCEPSS rescore
  50. 2026-05-26 07:18 UTCEPSS rescore
  51. 2026-05-24 20:41 UTCEG score recompute
  52. 2026-05-24 20:41 UTCGHSA enrichment

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Frequently asked(5)

What is CVE-2023-3486?
CVE-2023-3486 is a high vulnerability published on July 25, 2023. An authentication bypass exists in PaperCut NG versions 22.0.12 and prior that could allow a remote, unauthenticated attacker to upload arbitrary files to the PaperCut NG host’s file storage. This could exhaust system resources and prevent the service from operating as expected.
When was CVE-2023-3486 disclosed?
CVE-2023-3486 was first published in the National Vulnerability Database on July 25, 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-2023-3486 actively exploited?
CVE-2023-3486 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2023-3486?
CVE-2023-3486 has a CVSS v3 base score of 8.2 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 8.9.
How do I remediate CVE-2023-3486?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-3486, 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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