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CVE

CVE-2023-4299

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

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

CRITICAL · CVSS 9 EPSS 0.0002
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-836Use of Password Hash Instead of Password for Authentication
▤

Affected Products & Versions

21
digi realport<= 1.9-40
digi realport<= 4.8.488.0
digi connectport ts 8\/16 firmware< 2.26.2.4
digi passport firmwareall versions
digi connectport lts 8\/16\/32 firmware< 1.4.9
digi cm firmwareall versions
digi portserver ts firmwareall versions
digi portserver ts mei firmwareall versions
▣

Scoring & Timeline

9
CRITICAL · CVSS v3.1 · ics-cert@hq.dhs.gov
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD31 Aug 2023 · 09:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

1
cisa-csafcisa-csaf-csaf_files-OT-white-2023-icsa-23-243-04
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.cisa.gov/news-events/ics-advisories/icsa-23-243-04Third Party AdvisoryUS Government Resource
https://www.digi.com/getattachment/resources/security/alerts/realport-cves/Dragos-Disclosure-Statement.pdfVendor Advisory
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