CVE-2023-1894

mediumpriority · track · 21EPSS 0.004 · 38 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.44% (38th) EPSS

CVSS 5.3 · medium

Is it mine?

7 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

A Regular Expression Denial of Service (ReDoS) issue was discovered in Puppet Server 7.9.2 certificate validation. An issue related to specifically crafted certificate names significantly slowed down server operations.

cvss

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

5.3

010

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

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Lprimary · NVD / NIST USexploitability 3.9 · impact 1.4

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Lsecondary · ENISA EU

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Lsecondaryexploitability 3.9 · impact 1.4

v3.14.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:Usecondary · CVSS-BT (t0sche)

ssvc

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

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-1333USprimary

affected products (7)

Products and version ranges known to be affected.

Puppet Puppet Enterprise2021.7.1 → 2021.7.3enisa_euvdEU
Puppet Puppet Enterprise2023.0.0 → 2023.1.0enisa_euvdEU
Puppet Puppet server7.9.2 → 7.11.0enisa_euvdEU
Puppet Puppet server7.9.2 → 8.0.0enisa_euvdEU
puppet puppet enterprise= 2021.7.1nvdUScpe:2.3:a:puppet:puppet_enterprise:*:*:*:*:*:*:*:*
puppet puppet enterprise= 2023.0nvdUScpe:2.3:a:puppet:puppet_enterprise:*:*:*:*:*:*:*:*
puppet puppet server= 7.9.2nvdUScpe:2.3:a:puppet:puppet_server:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2023-05-04modified 2026-06-17

related (604)

Related entries.

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axios is vulnerable to Inefficient Regular Expression Complexity
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Rack is a modular Ruby web server interface. Carefully crafted content type headers can cause Rack’s media type parser to take much longer than expected, leading to a possible deni…

+599 more

references (4)

External citations — patches, advisories, analysis.

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