CVE-2023-4299

highpriority · track · 32EPSS 0.007 · 52 %ileEURUUS
grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
0.68% (52nd) EPSS
CVSS 8.1 · high
Is it mine?
109 products
Check your exposure
Who says so?
4 sources
cnnvd · enisa_euvd · fstec_bdu · cisa_csaf_ot

EPSS · scored 2026-10-27

Digi RealPort Protocol is vulnerable to a replay attack that may allow an attacker to bypass authentication to access connected equipment.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

  • FixedDigi Connect EScisa_csaf_ot

    Digi Connect ES: Fixed in firmware version 2.26.2.4

  • FixedDigi ConnectPort LTS 8/16/32cisa_csaf_ot

    Digi ConnectPort LTS 8/16/32: Fixed in version 1.4.9

  • FixedDigi ConnectPort TS 8/16cisa_csaf_ot

    Digi ConnectPort TS 8/16: Fixed in firmware version 2.26.2.4

  • MitigationDigi CM Console Servercisa_csaf_ot

    Digi International recommends users acquire and install patches that they have made available for the following products:

  • MitigationDigi Connect EScisa_csaf_ot

    Digi International recommends users acquire and install patches that they have made available for the following products:

  • MitigationDigi Connect SPcisa_csaf_ot

    Digi International recommends users acquire and install patches that they have made available for the following products:

  • MitigationDigi ConnectPort LTS 8/16/32cisa_csaf_ot

    Digi International recommends users acquire and install patches that they have made available for the following products:

  • MitigationDigi ConnectPort TS 8/16cisa_csaf_ot

    Digi International recommends users acquire and install patches that they have made available for the following products:

  • MitigationDigi One IAcisa_csaf_ot

    Digi International recommends users acquire and install patches that they have made available for the following products:

  • MitigationDigi One IAP Familycisa_csaf_ot

    Digi International recommends users acquire and install patches that they have made available for the following products:

  • MitigationDigi One SPcisa_csaf_ot

    Digi International recommends users acquire and install patches that they have made available for the following products:

  • MitigationDigi One SP IAcisa_csaf_ot

    Digi International recommends users acquire and install patches that they have made available for the following products:

  • MitigationDigi Passport Console Servercisa_csaf_ot

    Digi International recommends users acquire and install patches that they have made available for the following products:

  • MitigationDigi PortServer TScisa_csaf_ot

    Digi International recommends users acquire and install patches that they have made available for the following products:

  • MitigationDigi PortServer TS M MEIcisa_csaf_ot

    Digi International recommends users acquire and install patches that they have made available for the following products:

  • MitigationDigi PortServer TS MEIcisa_csaf_ot

    Digi International recommends users acquire and install patches that they have made available for the following products:

  • MitigationDigi PortServer TS MEI Hardenedcisa_csaf_ot

    Digi International recommends users acquire and install patches that they have made available for the following products:

  • MitigationDigi PortServer TS P MEIcisa_csaf_ot

    Digi International recommends users acquire and install patches that they have made available for the following products:

  • MitigationDigi RealPort for Linuxcisa_csaf_ot

    Digi International recommends users acquire and install patches that they have made available for the following products:

  • MitigationDigi RealPort for Windowscisa_csaf_ot

    Digi International recommends users acquire and install patches that they have made available for the following products:

  • MitigationDigi WR11 XTcisa_csaf_ot

    Digi International recommends users acquire and install patches that they have made available for the following products:

  • MitigationDigi WR21cisa_csaf_ot

    Digi International recommends users acquire and install patches that they have made available for the following products:

  • MitigationDigi WR31cisa_csaf_ot

    Digi International recommends users acquire and install patches that they have made available for the following products:

  • MitigationDigi WR44 Rcisa_csaf_ot

    Digi International recommends users acquire and install patches that they have made available for the following products:

02

cvss

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

9.0
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.4–9

v3.18.1highCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.2 · impact 5.9
v3.09criticalCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:Hsecondary · CISA US
v3.19criticalAV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU
v3.19criticalCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:Hsecondary · ENISA EU
v3.19criticalCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:Hsecondary · ics-cert@hq.dhs.gov USexploitability 2.2 · impact 6
v3.17.4highCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)
03

ssvc

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

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS
04

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-836USCWE-836USCWE-836US
05

affected products (109)

Products and version ranges known to be affected.

showing 20 of 109
06

advisories (1)

Vendor and ecosystem advisories describing this.

07

also known as (5)

Other names and identifiers for this entity.

08

sources

Which sources assert this record, and when.

cnnvdenisa_euvdfstec_bducisa_csaf_otNVDCVE.orgMITRE
published 2023-08-31modified 2026-06-17
09

references (8)

External citations — patches, advisories, analysis.

scry

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