CVE-2023-39469

highpriority · attend · 50EPSS 0.614 · 99 %ileEURUUS

grimoire priorityP1 · Urgent

Exploitable?

—

no known exploitation

Likely / severe?

61.4% (99th) EPSS

CVSS 7.2 · high

Is it mine?

5 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-21

PaperCut NG External User Lookup Code Injection 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 External User Lookup functionality. The issue results from the lack of proper validation of a user-supplied string before using it to execute Java code. An attacker can leverage this vulnerability to execute code in the context of SYSTEM. Was ZDI-CAN-21013.

cvss

Technical severity, 0–10. One row per scoring source.

7.2

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.17.2highCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.2 · impact 5.9

v3.07.2highCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.07.2highCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Hsecondary · zdi-disclosures@trendmicro.comexploitability 1.2 · impact 5.9

v3.17.2highAV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.17.2highCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-94USprimaryCWE-94US

affected products (5)

Products and version ranges known to be affected.

PaperCut NG≤ 22.0.12enisa_euvdEU
PaperCut Software International Pty Ltd PaperCut MF≤ 22.1.1fstec_bduRU
PaperCut Software International Pty Ltd PaperCut NG≤ 22.1.1fstec_bduRU
papercut papercut mf< 22.1.1nvdUScpe:2.3:a:papercut:papercut_mf:*:*:*:*:*:*:*:*
papercut papercut ng< 22.1.1nvdUScpe:2.3:a:papercut:papercut_ng:*:*:*:*:*:*:*:*

also known as (6)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2024-05-03modified 2026-06-17

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+8623 more

references (7)

External citations — patches, advisories, analysis.

scry

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