CVE-2023-4217

mediumpriority · track · 21EPSS 0.003 · 25 %ileDEEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.32% (25th) EPSS

CVSS 5.3 · medium

Is it mine?

3 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

A vulnerability has been identified in PT-G503 Series versions prior to v5.2, where the session cookies attribute is not set properly in the affected application. The vulnerability may lead to security risks, potentially exposing user session data to unauthorized access and manipulation.

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⚠ sources disagree · low–medium · 3.1–5.3

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

v3.13.1lowAV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:Nsecondary · FSTEC (BDU) RU

v3.13.1lowCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:Nsecondary · ENISA EU

v3.13.1lowCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:Nsecondary · psirt@moxa.comexploitability 1.6 · impact 1.4

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

ssvc

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

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-668USprimaryCWE-1004USCWE-1004USCWE-668US

affected products (3)

Products and version ranges known to be affected.

Moxa PT-G503 Series≤ 1.0 ≤5.2enisa_euvdEU
Moxa Inc. Moxa PT-G503≤ 5.2fstec_bduRU
moxa eds-g503 firmware< 5.2nvdUScpe:2.3:o:moxa:eds-g503_firmware:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-2814Moxa Switch: Mehrere Schwachstellen ermöglichen Offenlegung von InformationenDeutsch2023-11-02csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Moxa Switch ausnutzen, um Informationen offenzulegen.

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd cert_bund NVD CVE.org MITRE

published 2023-11-02modified 2026-06-17

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+944 more

references (5)

External citations — patches, advisories, analysis.

scry

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